diff --git a/templates/base_toplevel.html b/templates/base_toplevel.html
index c86ccc2..79bd1ff 100644
--- a/templates/base_toplevel.html
+++ b/templates/base_toplevel.html
@@ -27,12 +27,12 @@
                             <ul class="dropdown-menu">
                                 {% for branch in all_branches %}
                                     <li><a href="{% url this_url_name branch.name %}{{ extra_url_param }}">
-                                        {% if branch.name = url_branch %}<b>{% endif %}
+                                        {% if branch.name == url_branch %}<b>{% endif %}
                                         {{ branch.name }}
                                         {% if branch.short_description %}
                                         ({{ branch.short_description }})
                                         {% endif %}
-                                        {% if branch.name = url_branch %}</b>{% endif %}
+                                        {% if branch.name == url_branch %}</b>{% endif %}
                                     </a></li>
                                 {% endfor %}
                                 {% if oe_classic %}
diff --git a/templates/layerindex/detail.html b/templates/layerindex/detail.html
index 3081ef3..d1e807b 100644
--- a/templates/layerindex/detail.html
+++ b/templates/layerindex/detail.html
@@ -33,14 +33,14 @@
                         {% if layerbranch.yp_compatible_version %}
                         <a href="{{layerbranch.yp_compatible_version.link_url}}"><img src="{{layerbranch.yp_compatible_version.image_url}}" alt="{{layerbranch.yp_compatible_version.description}}" class="yp-icon" title="{{layerbranch.yp_compatible_version.description}}"></a>
                         {% endif %}
-                        {% if layeritem.status = "N" %}
+                        {% if layeritem.status == "N" %}
                             <span class="label label-warning">Unpublished</span>
                         {% endif %}
                         {% if user.is_authenticated %}
                             <span class="pull-right">
                                 {% if perms.layerindex.publish_layer or useredit %}
                                     <a href="{% url 'edit_layer' url_branch layeritem.name %}" class="btn">Edit layer</a>
-                                    {% if layeritem.layernote_set.count = 0 %}
+                                    {% if layeritem.layernote_set.count == 0 %}
                                         <a href="{% url 'add_layernote' layeritem.name %}" class="btn">Add note</a>
                                     {% endif %}
                                 {% endif %}
@@ -118,7 +118,7 @@
                     {% endif %}
 
                     {% if layerbranch.active_maintainers.count > 0 %}
-                    <h3>{% if layerbranch.active_maintainers|length = 1 %}Maintainer{% else %}Maintainers{% endif %}</h3>
+                    <h3>{% if layerbranch.active_maintainers|length == 1 %}Maintainer{% else %}Maintainers{% endif %}</h3>
 
                     <ul>
                         {% for maintainer in layerbranch.active_maintainers %}
diff --git a/templates/layerindex/duplicates.html b/templates/layerindex/duplicates.html
index 0ebfe11..8c568b0 100644
--- a/templates/layerindex/duplicates.html
+++ b/templates/layerindex/duplicates.html
@@ -29,12 +29,12 @@
         <ul class="dropdown-menu">
             {% for branch in all_branches %}
                 <li><a href="{% url this_url_name branch.name %}">
-                    {% if branch.name = url_branch %}<b>{% endif %}
+                    {% if branch.name == url_branch %}<b>{% endif %}
                     {{ branch.name }}
                     {% if branch.short_description %}
                     ({{ branch.short_description }})
                     {% endif %}
-                    {% if branch.name = url_branch %}</b>{% endif %}
+                    {% if branch.name == url_branch %}</b>{% endif %}
                 </a></li>
             {% endfor %}
         </ul>
diff --git a/templates/layerindex/editlayer.html b/templates/layerindex/editlayer.html
index bd9a2a3..e235080 100644
--- a/templates/layerindex/editlayer.html
+++ b/templates/layerindex/editlayer.html
@@ -51,14 +51,14 @@
                     {{ field.label_tag }}
                 </div>
                 <div class="controls">
-                    {% if field.name = 'deps' %}
+                    {% if field.name == 'deps' %}
                         <div class="scrolling">
                             <table><tbody>
                                 {% for deplayer in deplistlayers %}
                                     {% if deplayer.id in form.checked_deps %}
                                         <tr>
                                             <td class="checkboxtd"><input type="checkbox" name="deps" value="{{ deplayer.id }}" id="id_deps_{{forloop.counter}}" checked="checked" /></td>
-                                            {% if deplayer.status = 'N' %}
+                                            {% if deplayer.status == 'N' %}
                                             <td><label class="muted" for="id_deps_{{forloop.counter}}">{{ deplayer.name }} (unpublished)</label></td>
                                             {% else %}
                                             <td><label for="id_deps_{{forloop.counter}}">{{ deplayer.name }}</label></td>
@@ -70,7 +70,7 @@
                                     {% if not deplayer.id in form.checked_deps %}
                                         <tr>
                                             <td class="checkboxtd"><input type="checkbox" name="deps" value="{{ deplayer.id }}" id="id_deps_{{forloop.counter}}" /></td>
-                                            {% if deplayer.status = 'N' %}
+                                            {% if deplayer.status == 'N' %}
                                             <td><label class="muted" for="id_deps_{{forloop.counter}}">{{ deplayer.name }} (unpublished)</label></td>
                                             {% else %}
                                             <td><label for="id_deps_{{forloop.counter}}">{{ deplayer.name }}</label></td>
@@ -89,7 +89,7 @@
                 </div>
             </div>
             {% endif %}
-            {% if field.name = 'vcs_web_url' %}
+            {% if field.name == 'vcs_web_url' %}
                 <div class="control-label">
                     Web interface type
                 </div>
diff --git a/templates/layerindex/history.html b/templates/layerindex/history.html
index 87e2179..12ff93f 100644
--- a/templates/layerindex/history.html
+++ b/templates/layerindex/history.html
@@ -41,11 +41,11 @@
                         {{ revision.comment|linebreaksbr }}
                     {% else %}
                         {% for version in revision.version_set.all %}
-                            {% if version.type = 0 %}
+                            {% if version.type == 0 %}
                                 Added
-                            {% elif version.type = 1 %}
+                            {% elif version.type == 1 %}
                                 Changed
-                            {% elif version.type = 2 %}
+                            {% elif version.type == 2 %}
                                 Deleted
                             {% endif %}
                             {{ version.content_type.name.lower }}: {{ version.object_repr }}
@@ -66,4 +66,4 @@
 
 
 {% endautoescape %}
-{% endblock %}
\ No newline at end of file
+{% endblock %}
diff --git a/templates/layerindex/reviewdetail.html b/templates/layerindex/reviewdetail.html
index 5b30e5b..7885d1b 100644
--- a/templates/layerindex/reviewdetail.html
+++ b/templates/layerindex/reviewdetail.html
@@ -30,7 +30,7 @@
                         {% if layerbranch.yp_compatible_version %}
                         <a href="{{layerbranch.yp_compatible_version.link_url }}"><img src="{{layerbranch.yp_compatible_version.image_url}}" alt="{{layerbranch.yp_compatible_version.description}}" class="yp-icon" title="{{layerbranch.yp_compatible_version.description}}"></a>
                         {% endif %}
-                        {% if layeritem.status = "N" %}
+                        {% if layeritem.status == "N" %}
                             <span class="label label-warning">Unpublished</span>
                         {% else %}
                             <span class="label label-info">Published</span>
@@ -39,11 +39,11 @@
                             <span class="pull-right">
                                 {% if perms.layerindex.publish_layer or useredit %}
                                     <a href="{% url 'edit_layer' 'master' layeritem.name %}?returnto=layer_review" class="btn">Edit layer</a>
-                                    {% if layeritem.layernote_set.count = 0 %}
+                                    {% if layeritem.layernote_set.count == 0 %}
                                         <a href="{% url 'add_layernote' layeritem.name %}" class="btn">Add note</a>
                                     {% endif %}
                                 {% endif %}
-                                {% if layeritem.status = "N" and perms.layerindex.publish_layer %}
+                                {% if layeritem.status == "N" and perms.layerindex.publish_layer %}
                                     <a href="{% url 'delete_layer' layeritem.name %}" class="btn btn-warning">Delete layer</a>
                                     <a href="{% url 'publish' layeritem.name %}" class="btn btn-primary">Publish layer</a>
                                 {% endif %}