diff --git a/source/blender/editors/transform/transform_mode.cc b/source/blender/editors/transform/transform_mode.cc
index 83c7c4a3790..e6db39d863a 100644
--- a/source/blender/editors/transform/transform_mode.cc
+++ b/source/blender/editors/transform/transform_mode.cc
@@ -485,7 +485,7 @@ void constraintSizeLim(const TransInfo *t, const TransDataContainer *tc, TransDa
           /* just multiply by td->mtx (this should be ok) */
           mul_m4_m3m4(cob.matrix, td->mtx, cob.matrix);
         }
-        else if (con->ownspace = CONSTRAINT_SPACE_POSE) {
+        else if (con->ownspace == CONSTRAINT_SPACE_POSE) {
           /* Bone space without considering object transformations. */
           mul_m4_m3m4(cob.matrix, td->mtx, cob.matrix);
           mul_m4_m3m4(cob.matrix, tc->imat3, cob.matrix);