diff --git a/source/blender/modifiers/intern/MOD_screw.c b/source/blender/modifiers/intern/MOD_screw.c
index 3c84bb7ae15..64f5f14eaa8 100644
--- a/source/blender/modifiers/intern/MOD_screw.c
+++ b/source/blender/modifiers/intern/MOD_screw.c
@@ -132,6 +132,9 @@ static Mesh *mesh_remove_doubles_on_axis(Mesh *result,
       tot_doubles += 1;
       copy_v3_v3(mvert_new[i].co, axis_co);
     }
+    else {
+      mvert_new[i].flag &= ~ME_VERT_TMP_TAG & 0xFF;
+    }
   }
 
   if (tot_doubles != 0) {