--- ngrep-1.45.orig/Makefile.in	2006-11-28 14:35:37.000000000 +0100
+++ ngrep-1.45/Makefile.in	2016-02-08 06:24:48.000000000 +0100
@@ -63,7 +63,7 @@ distclean: clean
 	rm -f config.status config.cache config.log config.h Makefile 
 
 $(REGEX_OBJS): $(REGEX_OBJS:.o=.c) $(REGEX_DIR)/*.h
-	$(MAKE) $(MAKEFLAGS) -C $(REGEX_DIR) $(notdir $(REGEX_OBJS))
+	$(MAKE) -C $(REGEX_DIR) $(notdir $(REGEX_OBJS))
 
 $(OBJS): Makefile ngrep.c ngrep.h