diff --git a/package/network/services/dnsmasq/Makefile b/package/network/services/dnsmasq/Makefile
index 57870a53b6..331e5fabe3 100644
--- a/package/network/services/dnsmasq/Makefile
+++ b/package/network/services/dnsmasq/Makefile
@@ -138,7 +138,7 @@ endif
 
 MAKE_FLAGS := \
 	$(TARGET_CONFIGURE_OPTS) \
-	CFLAGS="$(TARGET_CFLAGS)" \
+	CFLAGS="$(TARGET_CFLAGS) $(TARGET_CPPFLAGS)" \
 	LDFLAGS="$(TARGET_LDFLAGS)" \
 	COPTS="$(COPTS)" \
 	PREFIX="/usr"