diff --git a/common.sh b/common.sh
index 49806c47e3..880bad270c 100644
--- a/common.sh
+++ b/common.sh
@@ -329,6 +329,8 @@ fi
 if [[ -n "$MISC6_DIR" && $BRANCH != "next" ]]; then
 	display_alert "Installing external applications" "MT7601U - driver" "info"
 	cd $SOURCES/$MISC6_DIR
+	if ! test -a src/dkms.conf
+	then
 	cat >> fix_build.patch << _EOF_
 diff --git a/src/dkms.conf b/src/dkms.conf
 new file mode 100644
@@ -373,9 +375,10 @@ index 1b6a631..c336611 100755
 _EOF_
 
 	patch -p1 < fix_build.patch
+	fi
 	cd src
 	make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- clean >/dev/null 2>&1
-	(make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- LINUX_SRC=$SOURCES/$LINUXSOURCEDIR/ >/dev/null 2>&1)
+	(make -j4 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- LINUX_SRC=$SOURCES/$LINUXSOURCEDIR/ >/dev/null 2>&1)
 	cp os/linux/*.ko $DEST/cache/sdcard/lib/modules/$VER-$LINUXFAMILY/kernel/net/wireless/
 	mkdir -p $DEST/cache/sdcard/etc/Wireless/RT2870STA
 	cp RT2870STA.dat $DEST/cache/sdcard/etc/Wireless/RT2870STA/
diff --git a/configuration.sh b/configuration.sh
index 59ca6b4b5e..055a811789 100644
--- a/configuration.sh
+++ b/configuration.sh
@@ -49,8 +49,8 @@
 	MISC4_DIR=""
 	MISC5="https://github.com/hglm/a10disp/" # Display changer for Allwinner
 	MISC5_DIR="sunxi-display-changer" # local directory
-#	MISC6="https://github.com/porjo/mt7601/" # Display changer for Allwinner
-#	MISC6_DIR="mt7601" # local directory
+	MISC6="https://github.com/porjo/mt7601/" # Display changer for Allwinner
+	MISC6_DIR="mt7601" # local directory