1 files changed, 1 insertions, 1 deletions
diff --git a/config.mk b/config.mk
index 38f51f5..af73944 100644
--- a/config.mk
+++ b/config.mk
@@ -36,7 +36,7 @@ INCS = -I. -I/usr/include ${GTKINC}
 LIBS = -L/usr/lib -lc ${GTKLIB}
 # flags
 CPPFLAGS = -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
-CFLAGS = -mtune=native -std=c99 -O3 ${INCS} ${CPPFLAGS}
+CFLAGS = -mtune=native -std=gnu99 -O3 ${INCS} ${CPPFLAGS}
 LDFLAGS = -s ${LIBS}
 
 # Solaris