diff --git a/docker-builder-i386/build.sh b/docker-builder-i386/build.sh
index 8d92e21..0d76147 100755
--- a/docker-builder-i386/build.sh
+++ b/docker-builder-i386/build.sh
@@ -2,5 +2,15 @@
 
 SCRIPT_FILE=`realpath "$0"`
 SCRIPT_DIR=`dirname "$SCRIPT_FILE"`
+BASE_DIR=`dirname "$SCRIPT_DIR"`
+
+CONFIG_FILE="$BASE_DIR/config.sh"
+PACKET_BUILD_DIR="$BUILD_DIR/packet"
+SCRIPT_BUILD_DIR="$BUILD_DIR/script"
+if [ -f $CONFIG_FILE ]; then
+	source $CONFIG_FILE
+fi
+export PACKET_BUILD_DIR
+mkdir -p $PACKET_BUILD_DIR
 
 docker build -t my/builder-i386 $DOCKER_BUILD_OPTIONS "$SCRIPT_DIR"
diff --git a/docker-builder/build.sh b/docker-builder/build.sh
index 09e245a..0a5fa8f 100755
--- a/docker-builder/build.sh
+++ b/docker-builder/build.sh
@@ -13,5 +13,4 @@ fi
 export PACKET_BUILD_DIR
 mkdir -p $PACKET_BUILD_DIR
 
-
 docker build -t my/builder $DOCKER_BUILD_OPTIONS "$SCRIPT_DIR"