diff --git a/src/main/res/values-v21/themes.xml b/src/main/res/values-v21/themes.xml
new file mode 100644
index 000000000..5fda8f514
--- /dev/null
+++ b/src/main/res/values-v21/themes.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="ConversationsTheme.Dark" parent="ConversationsTheme.Dark.Base">
+        <item name="android:navigationBarColor">@color/grey900</item>
+    </style>
+</resources>
diff --git a/src/main/res/values/themes.xml b/src/main/res/values/themes.xml
index a1a799902..532214c81 100644
--- a/src/main/res/values/themes.xml
+++ b/src/main/res/values/themes.xml
@@ -99,7 +99,9 @@
         <item type="reference" name="icon_enable_undecided_device">@drawable/ic_new_releases_black_24dp</item>
     </style>
 
-    <style name="ConversationsTheme.Dark" parent="Theme.AppCompat.NoActionBar">
+    <style name="ConversationsTheme.Dark" parent="ConversationsTheme.Dark.Base" />
+
+    <style name="ConversationsTheme.Dark.Base" parent="Theme.AppCompat.NoActionBar">
         <item name="colorPrimary">@color/green800</item>
         <item name="colorPrimaryDark">@color/green900</item>
         <item name="colorAccent">@color/blue_a100</item>