diff --git a/res/values/strings.xml b/res/values/strings.xml
index e0b805fd6..cb5786195 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -946,4 +946,6 @@ Welcome to K-9 Mail setup.  K-9 is an open source mail client for Android origin
     <string name="dialog_confirm_delete_confirm_button">Delete</string>
     <string name="dialog_confirm_delete_cancel_button">Do not delete</string>
 
+    <string name="debug_logging_enabled">Debug logging to Android logging system enabled</string>
+
 </resources>
diff --git a/src/com/fsck/k9/activity/setup/Prefs.java b/src/com/fsck/k9/activity/setup/Prefs.java
index ff3570ab1..69b54276d 100644
--- a/src/com/fsck/k9/activity/setup/Prefs.java
+++ b/src/com/fsck/k9/activity/setup/Prefs.java
@@ -13,6 +13,7 @@ import android.preference.CheckBoxPreference;
 import android.preference.ListPreference;
 import android.preference.Preference;
 import android.view.KeyEvent;
+import android.widget.Toast;
 
 import com.fsck.k9.K9;
 import com.fsck.k9.Preferences;
@@ -255,6 +256,11 @@ public class Prefs extends K9PreferenceActivity
         SharedPreferences preferences = Preferences.getPreferences(this).getPreferences();
         K9.setK9Language(mLanguage.getValue());
         K9.setK9Theme(mTheme.getValue().equals("dark") ? android.R.style.Theme : android.R.style.Theme_Light);
+
+        if (!K9.DEBUG && mDebugLogging.isChecked())
+        {
+            Toast.makeText(this, R.string.debug_logging_enabled, Toast.LENGTH_LONG).show();
+        }
         K9.DEBUG = mDebugLogging.isChecked();
         K9.DEBUG_SENSITIVE = mSensitiveLogging.isChecked();
         boolean needsRefresh = K9.setBackgroundOps(mBackgroundOps.getValue());