diff --git a/tests/qemu-iotests/050 b/tests/qemu-iotests/050
index 272ecab..cdc5356 100755
--- a/tests/qemu-iotests/050
+++ b/tests/qemu-iotests/050
@@ -29,8 +29,8 @@
 _cleanup()
 {
     _cleanup_test_img
-    rm -f "$TEST_IMG.old"
-    rm -f "$TEST_IMG.new"
+    _rm_test_img "$TEST_IMG.old"
+    _rm_test_img "$TEST_IMG.new"
 }
 trap "_cleanup; exit \$status" 0 1 2 3 15