diff --git a/make/debugger.mk b/make/debugger.mk
index 0d9296f2..1da16af2 100644
--- a/make/debugger.mk
+++ b/make/debugger.mk
@@ -8,7 +8,7 @@ endif
 
 
 CORE_DUMPER        = $(shell echo -e "quit" | $(DEBUGGER) --core=$(CORE) 2>&1 | \
-	$(SED) '/Core was generated/ !d; s/Core was generated by `//; s/ .*//' | xargs -r which)
+	$(SED) '/Core was generated/ !d; s/Core was generated by `//; s/ .*//')
 ifeq ($(CORE_DUMPER),)
 CORE_DUMPER        = $(EXE_PATH)
 endif