diff --git a/utils/lib.js b/utils/lib.js
index 969bb95..d1cd070 100644
--- a/utils/lib.js
+++ b/utils/lib.js
@@ -27,6 +27,9 @@ function compare(a, b, operator) {
             case '>=':
                 returnValue = a.greaterThanOrEqual(b);
                 break;
+            default:
+                console.error(`${operator} is no valid operator`);
+                return;
         }
     } catch(e) {
         logMsg = `Standard comparison of ${a}, ${b} with operator ${operator}`;
@@ -52,12 +55,7 @@ function compare(a, b, operator) {
         }        
     }
 
-    if (returnValue == undefined) {
-        console.error(`${operator} is no valid operator`);
-    } else {
-        console.debug(logMsg);
-    }
-        
+    console.debug(logMsg);
     return returnValue;
 }