diff --git a/packages/node_modules/@node-red/util/lib/hooks.js b/packages/node_modules/@node-red/util/lib/hooks.js
index 6dc1a37c9..d8fb6541c 100644
--- a/packages/node_modules/@node-red/util/lib/hooks.js
+++ b/packages/node_modules/@node-red/util/lib/hooks.js
@@ -67,8 +67,25 @@ function add(hookId, callback) {
         throw new Error("Hook "+hookId+" already registered")
     }
     // Get location of calling code
+    let callModule;
     const stack = new Error().stack;
-    const callModule = stack.split("\n")[2].split("(")[1].slice(0,-1);
+    const stackEntries = stack.split("\n").slice(1);//drop 1st line (error message)
+    const stackEntry2 = stackEntries[1];//get 2nd stack entry
+    if (stackEntry2) {
+        try {
+            if (stackEntry2.indexOf(" (") >= 0) {
+                callModule = stackEntry2.split("(")[1].slice(0, -1);
+            } else {
+                callModule = stackEntry2.split(" ").slice(-1)[0];
+            }
+        } catch (error) {
+            Log.debug(`Unable to determined module when adding hook '${hookId}'. Stack:\n${stackEntries.join("\n")}`);
+            callModule = "unknown:0:0";
+        }
+    } else {
+        Log.debug(`Unable to determined module when adding hook '${hookId}'. Stack:\n${stackEntries.join("\n")}`);
+        callModule = "unknown:0:0";
+    }
     Log.debug(`Adding hook '${hookId}' from ${callModule}`);
 
     const hookItem = {cb:callback, location: callModule, previousHook: null, nextHook: null }