diff --git a/ts/smartnpm.classes.registrycache.ts b/ts/smartnpm.classes.registrycache.ts
index 5493d06..3017aee 100644
--- a/ts/smartnpm.classes.registrycache.ts
+++ b/ts/smartnpm.classes.registrycache.ts
@@ -22,9 +22,11 @@ export class RegistryCache {
   }
 
   public async cacheSmartFile (fileIdArg: string, smartfileArg: plugins.smartfile.Smartfile) {
-    await this.levelCache.storeCacheEntryByKey(fileIdArg, new plugins.levelcache.CacheEntry({
-      contents: Buffer.from(smartfileArg.foldToJson()),
-      ttl: 60000
-    }));
+    if (smartfileArg) {
+      await this.levelCache.storeCacheEntryByKey(fileIdArg, new plugins.levelcache.CacheEntry({
+        contents: Buffer.from(smartfileArg.foldToJson()),
+        ttl: 60000
+      }));
+    }
   }
 }
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