diff --git a/src/adapter/breakpoints/breakpointBase.ts b/src/adapter/breakpoints/breakpointBase.ts
index 19471805d..8fe615050 100644
--- a/src/adapter/breakpoints/breakpointBase.ts
+++ b/src/adapter/breakpoints/breakpointBase.ts
@@ -563,7 +563,11 @@ export abstract class Breakpoint {
     // prefer to set on script URL for non-anonymous scripts, since url breakpoints
     // will survive and be hit on reload. But don't set if the script has
     // a source URL, since V8 doesn't resolve these
-    if (script.url && !script.hasSourceURL) {
+    if (
+      script.url &&
+      !script.hasSourceURL &&
+      (!script.embedderName || script.embedderName === script.url)
+    ) {
       return this._setByUrl(thread, script.url, lineColumn);
     } else {
       return this._setByScriptId(thread, script, lineColumn);
diff --git a/src/adapter/source.ts b/src/adapter/source.ts
index 74776eea3..70030c081 100644
--- a/src/adapter/source.ts
+++ b/src/adapter/source.ts
@@ -384,6 +384,7 @@ export interface IWasmLocationProvider extends ISourceLocationProvider {
 export interface ISourceScript {
   executionContextId: Cdp.Runtime.ExecutionContextId;
   scriptId: Cdp.Runtime.ScriptId;
+  embedderName?: string;
   hasSourceURL: boolean;
   url: string;
 }
diff --git a/src/adapter/threads.ts b/src/adapter/threads.ts
index 94e70b618..6af80dbe2 100644
--- a/src/adapter/threads.ts
+++ b/src/adapter/threads.ts
@@ -1522,6 +1522,7 @@ export class Thread implements IVariableStoreLocationProvider {
         prevSource.addScript({
           scriptId: event.scriptId,
           url: event.url,
+          embedderName: event.embedderName,
           hasSourceURL: !!event.hasSourceURL,
           executionContextId: event.executionContextId,
         });
@@ -1573,6 +1574,7 @@ export class Thread implements IVariableStoreLocationProvider {
       source.addScript({
         scriptId: event.scriptId,
         url: event.url,
+        embedderName: event.embedderName,
         hasSourceURL: !!event.hasSourceURL,
         executionContextId: event.executionContextId,
       });
@@ -1583,6 +1585,7 @@ export class Thread implements IVariableStoreLocationProvider {
     const script: Script = {
       url: event.url,
       hasSourceURL: !!event.hasSourceURL,
+      embedderName: event.embedderName,
       scriptId: event.scriptId,
       executionContextId: event.executionContextId,
       source: createSource(),