1 files changed, 2 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index 5f8b16321c..b68d8fcdd1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
-CPPFLAGS	:= -I.
-CFLAGS		:= -g -Wall -Werror
+CPPFLAGS	:= -I. $(CPPFLAGS)
+CFLAGS		:= -g -Wall -Werror $(CFLAGS)
 INSTALL		:= install
 DESTDIR		:=
 SPECFILE	:= keyutils.spec