diff --git a/configure b/configure
index e818304..4773cb9 100755
--- a/configure
+++ b/configure
@@ -66,10 +66,8 @@ generate_header() {
 
 	for file in $SECOND; do
 		CONF=$(cat ${CONFIG_FILE} | grep $(basename $file) | cut -d' ' -f2)
-		source $file "apply" "$CONF" "$file" &
+		source $file "apply" "$CONF" "$file"
 	done
-
-	wait
 }
 
 if [ -z "$1" ]; then