diff --git a/configure b/configure
index a9f682b..a313bf3 100755
--- a/configure
+++ b/configure
@@ -13,12 +13,12 @@ SRC="src"
 INCLUDE="src/include"
 TOOLS="tools"
 
-CFLAGS="-Wall -Wextra -pedantic -std=c89 -O3 -pipe -D_DEFAULT_SOURCE -I${INCLUDE}"
+CFLAGS="-Wall -Wextra -pedantic -std=c99 -O3 -pipe -D_DEFAULT_SOURCE -I${INCLUDE}"
 LIBS="-lm -pthread"
 
 
 # Set default args for all platforms
-SCRIPT_ARGS="--cc=cc --prefix=/usr/local --enable-ld-extra --lib-name=Cytoplasm --lib-version=0.4.1 $@"
+SCRIPT_ARGS="--cc=c99 --prefix=/usr/local --enable-ld-extra --lib-name=Cytoplasm --lib-version=0.4.1 $@"
 
 # Set platform specific args
 case "$(uname)" in