diff --git a/libs/remix-ui/debugger-ui/src/lib/debugger-ui.tsx b/libs/remix-ui/debugger-ui/src/lib/debugger-ui.tsx
index 5a4b45d0a0..c8799fa148 100644
--- a/libs/remix-ui/debugger-ui/src/lib/debugger-ui.tsx
+++ b/libs/remix-ui/debugger-ui/src/lib/debugger-ui.tsx
@@ -81,6 +81,7 @@ export const DebuggerUI = ({ debuggerModule }) => {
     })
 
     debuggerInstance.event.register('newSourceLocation', async (lineColumnPos, rawLocation, generatedSources) => {
+      if (!lineColumnPos) return
       const contracts = await fetchContractAndCompile(
         currentReceipt.contractAddress || currentReceipt.to,
         currentReceipt)