diff --git a/daemon/Makefile b/daemon/Makefile
index 9763dac61..0d471ab14 100644
--- a/daemon/Makefile
+++ b/daemon/Makefile
@@ -1,5 +1,6 @@
 CC=		gcc
 CFLAGS=		-g -Wall -pthread -fno-strict-aliasing
+CFLAGS+=	-std=c99
 CFLAGS+=	`pkg-config --cflags glib-2.0`
 CFLAGS+=	`pkg-config --cflags gthread-2.0`
 CFLAGS+=	`pkg-config --cflags zlib`