diff --git a/make/debugger.mk b/make/debugger.mk
index 202cd343..00b736c7 100644
--- a/make/debugger.mk
+++ b/make/debugger.mk
@@ -6,7 +6,7 @@ CORE                        ?= $(firstword $(CORE_VG) $(CORE_REGULAR))
 ifneq ($(CORE),)
   ifneq ($(CORE),$(CORE_VG)) # trick doesn't work on valgrind cores
     CORE_DUMPER              = $(shell echo -e "quit" | $(DEBUGGER) --core=$(CORE) 2>&1 | \
-	$(SED) '/Core was generated/ !d; s/Core was generated by `//; s/ .*//')
+	$(SED) '/Core was generated/ !d; s/Core was generated by `//; s/ .*//; s/\x27\.$$//')
   else
     CORE_DUMPER              = $(EXE_PATH)
   endif