diff --git a/app/src/main/java/net/gsantner/markor/model/AppSettings.java b/app/src/main/java/net/gsantner/markor/model/AppSettings.java
index e07d02a733..13a4a2a836 100644
--- a/app/src/main/java/net/gsantner/markor/model/AppSettings.java
+++ b/app/src/main/java/net/gsantner/markor/model/AppSettings.java
@@ -663,7 +663,7 @@ public void setEditorBasicColor(boolean forDarkMode, @ColorRes int fgColor, @Col
 
     public boolean isMultiWindowEnabled() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            return getBool(R.string.pref_key__is_multi_window_enabled, true);
+            return getBool(R.string.pref_key__is_multi_window_enabled, false);
         } else {
             return false;
         }
diff --git a/app/src/main/res/xml/preferences_master.xml b/app/src/main/res/xml/preferences_master.xml
index d1e91fba35..8fc6e6e26d 100644
--- a/app/src/main/res/xml/preferences_master.xml
+++ b/app/src/main/res/xml/preferences_master.xml
@@ -108,7 +108,7 @@
                 android:key="@string/pref_key__is_launcher_for_special_files_enabled"
                 android:title="@string/special_documents" />
             <CheckBoxPreference
-                android:defaultValue="true"
+                android:defaultValue="false"
                 android:icon="@drawable/ic_border_outer_black_24dp"
                 android:key="@string/pref_key__is_multi_window_enabled"
                 android:summary="@string/open_new_documents_always_in_new_window"