diff --git a/.gitmodules b/.gitmodules
index 8bd0f9d5f165798ee38a56885834c6373085499e..7c73874b01e034bb4b04af4a1b9a33d35d9a4ac9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "ics-openvpn"]
 	path = ics-openvpn
 	branch = bitmask
-	url = git@github.com:parmegv/ics-openvpn.git
+	url = https://github.com/parmegv/ics-openvpn.git
diff --git a/app/build.gradle b/app/build.gradle
index 9acd5ab13e61faadc166f2a8e7ecac1af6fdcb11..fbbc8eb878bbe1dff3b00471eb82fd40f665bd2d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
   compileSdkVersion 21
-  buildToolsVersion "22.0.1"
+  buildToolsVersion "22.0.0"
 
   signingConfigs {
     release {
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index ce6d5ddd7aa4c5cc1e67c364d2c0c043f005cdf5..b4ada5fc0464deb00c011431dff42da8727f2e99 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -23,7 +23,8 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+		     android:maxSdkVersion="18"/>
 
     <uses-sdk
         android:minSdkVersion="14"