diff --git a/artiq/runtime/artiq_personality.c b/artiq/runtime/artiq_personality.c
index 00e322434..5ae67df5f 100644
--- a/artiq/runtime/artiq_personality.c
+++ b/artiq/runtime/artiq_personality.c
@@ -423,7 +423,7 @@ _Unwind_Reason_Code __artiq_personality(
                    encodingSize, typeInfoPtrPtr, (void*)typeInfoPtr);
             EH_LOG("typeInfo=%s", (char*)typeInfoPtr);
 
-            if(typeInfoPtr == 0 || !strcmp(inflight->artiq.typeinfo, typeInfoPtr)) {
+            if(typeInfoPtr == 0 || !strcmp(inflight->artiq.typeinfo, (char*)typeInfoPtr)) {
               EH_LOG0("matching action found");
               exceptionMatched = 1;
               break;