diff --git a/docs-android/app/app.iml b/docs-android/app/app.iml
index 12b9d139..c9d208c6 100644
--- a/docs-android/app/app.iml
+++ b/docs-android/app/app.iml
@@ -61,13 +61,6 @@
       <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/jni" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/rs" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/res" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/assets" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/aidl" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/jni" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/rs" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" type="java-test-resource" />
@@ -75,6 +68,13 @@
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/res" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/assets" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/aidl" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/jni" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/rs" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/blame" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/builds" />
diff --git a/docs-android/app/build.gradle b/docs-android/app/build.gradle
index 222092fd..5859ea64 100644
--- a/docs-android/app/build.gradle
+++ b/docs-android/app/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.0.0-alpha7'
+        classpath 'com.android.tools.build:gradle:2.0.0-beta2'
     }
 }
 apply plugin: 'com.android.application'
diff --git a/docs-android/app/src/main/java/com/sismics/docs/activity/DocumentEditActivity.java b/docs-android/app/src/main/java/com/sismics/docs/activity/DocumentEditActivity.java
index 7066eaa8..a7d961e3 100644
--- a/docs-android/app/src/main/java/com/sismics/docs/activity/DocumentEditActivity.java
+++ b/docs-android/app/src/main/java/com/sismics/docs/activity/DocumentEditActivity.java
@@ -122,7 +122,7 @@ public class DocumentEditActivity extends AppCompatActivity {
         } else {
             setTitle(R.string.edit_document);
             titleEditText.setText(document.optString("title"));
-            descriptionEditText.setText(document.optString("description"));
+            descriptionEditText.setText(document.isNull("description") ? "" : document.optString("description"));
             datePickerView.setDate(new Date(document.optLong("create_date")));
             languageSpinner.setSelection(languageAdapter.getItemPosition(document.optString("language")));
             JSONArray documentTags = document.optJSONArray("tags");
diff --git a/docs-android/app/src/main/java/com/sismics/docs/activity/DocumentViewActivity.java b/docs-android/app/src/main/java/com/sismics/docs/activity/DocumentViewActivity.java
index 29140f1b..58ad5c60 100644
--- a/docs-android/app/src/main/java/com/sismics/docs/activity/DocumentViewActivity.java
+++ b/docs-android/app/src/main/java/com/sismics/docs/activity/DocumentViewActivity.java
@@ -181,7 +181,7 @@ public class DocumentViewActivity extends AppCompatActivity {
         createdDateTextView.setText(date);
 
         TextView descriptionTextView = (TextView) findViewById(R.id.descriptionTextView);
-        if (description == null || description.isEmpty() || description.equals(JSONObject.NULL.toString())) {
+        if (description.isEmpty() || document.isNull("description")) {
             descriptionTextView.setVisibility(View.GONE);
         } else {
             descriptionTextView.setVisibility(View.VISIBLE);