diff --git a/app/build.gradle b/app/build.gradle
index 81fd7fb91b..0593e8d368 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -31,8 +31,8 @@ android {
         applicationId "org.stepic.droid"
         minSdkVersion minSdk
         targetSdkVersion 25
-        versionCode 120
-        versionName "1.27.1"
+        versionCode 121
+        versionName "1.27.2"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         // Enabling multidex support.
         multiDexEnabled true
diff --git a/app/src/main/java/org/stepic/droid/preferences/UserPreferences.java b/app/src/main/java/org/stepic/droid/preferences/UserPreferences.java
index cae4d59dca..c34072c507 100644
--- a/app/src/main/java/org/stepic/droid/preferences/UserPreferences.java
+++ b/app/src/main/java/org/stepic/droid/preferences/UserPreferences.java
@@ -297,10 +297,9 @@ public void setKeepScreenOnSteps(boolean isChecked) {
 
     public boolean isNotificationEnabled(NotificationType type) {
         return !sharedPreferenceHelper.isNotificationDisabled(type);
-//        return false; // FIXME: 01.11.16
     }
 
-    public void setNotificationEnabled(NotificationType type, boolean isChecked) {
-        sharedPreferenceHelper.setNotificationDisabled(type, isChecked);
+    public void setNotificationEnabled(NotificationType type, boolean isEnabled) {
+        sharedPreferenceHelper.setNotificationDisabled(type, !isEnabled);
     }
 }