diff --git a/src/Makefile b/src/Makefile
index a166a8a..398d64b 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -24,6 +24,7 @@ CFLAGS =-O2 -g -Wall -Wstrict-prototypes -fno-omit-frame-pointer -Wstrict-aliasi
 endif
 override CFLAGS +=-Iinclude
 override CFLAGS += -DBASE_FILE_NAME='"$(notdir $<)"'
+override CFLAGS += $(EXTRA_CFLAGS)
 ifdef VER
 override CFLAGS += -DSMARTDNS_VERION='"$(VER)"'
 endif