1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 7099164..6468775 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-CFLAGS ?= -Wall -Werror -static -g -Og
+CFLAGS ?= -std=c99 -Wall -Werror -static -g -Og
 .DEFAULT_GOAL := all
 
 build/catskill: build src/catskill.csk