diff --git a/artiq/runtime/artiq_personality.c b/artiq/runtime/artiq_personality.c
index d5ba26b24..664f43a1f 100644
--- a/artiq/runtime/artiq_personality.c
+++ b/artiq/runtime/artiq_personality.c
@@ -422,7 +422,7 @@ _Unwind_Reason_Code __artiq_personality(
                  encodingSize, typeInfoPtrPtr, (void*)typeInfoPtr);
           EH_LOG("typeInfo=%s", (char*)typeInfoPtr);
 
-          if(typeInfoPtr == 0 || inflight->artiq.typeinfo == typeInfoPtr) {
+          if(typeInfoPtr == 0 || !strcmp(inflight->artiq.typeinfo, typeInfoPtr)) {
             EH_LOG0("matching action found");
             exceptionMatched = 1;
             break;