diff --git a/make/run.mk b/make/run.mk
index eba14f7f..1e4a77da 100644
--- a/make/run.mk
+++ b/make/run.mk
@@ -74,6 +74,10 @@ valgrind:
 	rm -f $(CORE)
 	valgrind $(VALGRIND_OPTS) $(EXE_PATH) $(EXE_ARGS)
 
+efence:
+	rm -f $(CORE)
+	ef $(EXE_PATH) $(EXE_ARGS)
+
 supp.tmp:
 	valgrind  --gen-suppressions=all $(EXE_PATH) $(EXE_ARGS) 2>$@.tmp; mv $@.tmp $@ || exit 0