diff --git a/io_uring/opdef.c b/io_uring/opdef.c
index a2be3bbca5ff..5dc1cba158a0 100644
--- a/io_uring/opdef.c
+++ b/io_uring/opdef.c
@@ -214,6 +214,7 @@ const struct io_issue_def io_issue_defs[] = {
 	},
 	[IORING_OP_FALLOCATE] = {
 		.needs_file		= 1,
+		.hash_reg_file          = 1,
 		.prep			= io_fallocate_prep,
 		.issue			= io_fallocate,
 	},