diff --git a/trunk/hsm_utils/delete_test_keys.sh b/trunk/hsm_utils/delete_test_keys.sh
index 70625c1..75e3d53 100755
--- a/trunk/hsm_utils/delete_test_keys.sh
+++ b/trunk/hsm_utils/delete_test_keys.sh
@@ -9,8 +9,10 @@ KEY_FILES="
   test-rsa-privkey2048
   test-rsa-pubkey2048
 "
+KEY_FILES_PREFIX="key_simple_"
  
 for i in $KEY_FILES
 do
-  rm $KMDATA_DIR"key_simple_"$i
+  echo "delete "$KEY_FILES_PREFIX$i
+  rm $KMDATA_DIR$KEY_FILES_PREFIX$i
 done