diff --git a/app/build.gradle b/app/build.gradle
index ce334e3..a678b54 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,7 +10,7 @@ android {
         applicationId "com.uam.wmi.findmytutor"
         minSdkVersion 22
         targetSdkVersion 27
-        versionCode 12
+        versionCode 13
         versionName "0.9.1-alpha"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
diff --git a/app/release/release/app.aab b/app/release/release/app.aab
index 3155661..6dcac5c 100644
Binary files a/app/release/release/app.aab and b/app/release/release/app.aab differ
diff --git a/app/src/main/java/com/uam/wmi/findmytutor/activity/SharingFragment.java b/app/src/main/java/com/uam/wmi/findmytutor/activity/SharingFragment.java
index 21d904f..eb76a2a 100644
--- a/app/src/main/java/com/uam/wmi/findmytutor/activity/SharingFragment.java
+++ b/app/src/main/java/com/uam/wmi/findmytutor/activity/SharingFragment.java
@@ -232,7 +232,7 @@ public class SharingFragment extends PreferenceFragment {
         lp.setDefaultValue(0);
         lp.setEntryValues(entryValues);
 
-        if(entries.length > 0)
+        if(entries.length > 0 && activeId != null)
             lp.setValueIndex(activeId);
     };