diff --git a/android_app/app/src/main/java/com/health/openscale/gui/activities/UserSettingsActivity.java b/android_app/app/src/main/java/com/health/openscale/gui/activities/UserSettingsActivity.java
index b345ea3c..cf35fd8a 100644
--- a/android_app/app/src/main/java/com/health/openscale/gui/activities/UserSettingsActivity.java
+++ b/android_app/app/src/main/java/com/health/openscale/gui/activities/UserSettingsActivity.java
@@ -23,6 +23,7 @@ import android.content.Intent;
 import android.graphics.Color;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
+import android.preference.PreferenceManager;
 import android.support.v4.graphics.drawable.DrawableCompat;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
@@ -73,6 +74,12 @@ public class UserSettingsActivity extends AppCompatActivity {
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        String app_theme = PreferenceManager.getDefaultSharedPreferences(this).getString("app_theme", "Light");
+
+        if (app_theme.equals("Dark")) {
+            setTheme(R.style.AppTheme_Dark);
+        }
+
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_usersettings);
         context = this;