diff --git a/app/src/main/res/xml/pref_smscommunicator.xml b/app/src/main/res/xml/pref_smscommunicator.xml
index 0f9440a615..06614f81df 100644
--- a/app/src/main/res/xml/pref_smscommunicator.xml
+++ b/app/src/main/res/xml/pref_smscommunicator.xml
@@ -7,7 +7,7 @@
         <EditTextPreference
             android:title="@string/smscommunicator_allowednumbers"
             android:summary="@string/smscommunicator_allowednumbers_summary"
-            android:key="@string/smscommunicator_allowednumbers"
+            android:key="@string/key_smscommunicator_allowednumbers"
             android:defaultValue="">
         </EditTextPreference>
         <SwitchPreference