1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 49e22f2c..d841c208 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 CC = gcc
 INCLUDES = -Isrc
-CFLAGS = $(INCLUDES) -c -w -Wall -Werror -g -ggdb
+CFLAGS = $(INCLUDES) -c -w -Wall -Werror -g -ggdb -std=gnu99
 LDFLAGS =
 LDLIBS = -lcheck