diff --git a/build.sh b/build.sh
index a51e9c8..cdffc95 100755
--- a/build.sh
+++ b/build.sh
@@ -5,5 +5,5 @@ if [[ ! -d ./build ]]; then
 fi
 
 pushd "./build"
-gcc -g -xc "../test/main.c" -o main.c
+gcc -g -std=c89 "../test/main.c" -o main.c
 popd