diff --git a/package-lock.json b/package-lock.json
index 6534db7..4bea1aa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@cloudimpl-inc/cpm",
-  "version": "2.33.5",
+  "version": "2.33.6",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@cloudimpl-inc/cpm",
-      "version": "2.33.5",
+      "version": "2.33.6",
       "license": "MIT",
       "dependencies": {
         "chalk": "^4.1.2",
diff --git a/package.json b/package.json
index fdc4155..6421436 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cloudimpl-inc/cpm",
-  "version": "2.33.5",
+  "version": "2.33.6",
   "description": "CloudImpl Project Manager",
   "main": "./dist/index.js",
   "module": "./dist/index.mjs",
diff --git a/src/util.ts b/src/util.ts
index 6ee7056..6f36c52 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -177,7 +177,9 @@ export const addMapKey = (map: any, key: string[], value: any): void => {
 
 export const removeMapKey = (map: any, key: string[]): void => {
     if (key.length == 1) {
-        delete map[key[0]];
+        if (map.hasOwnProperty(key[0])) {
+            delete map[key[0]];
+        }
     } else if (map) {
         const m = map[key[0]];
         key.shift();