diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index a8b98d530..30bb2cf22 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -1088,4 +1088,5 @@
     </string-array>
     <string name="join_instance">For joining my instance \"%1$s\", you can download Fedilab:\n\nF-Droid: %2$s\nGoogle: %3$s\n\nThen open the link below with Fedilab and create your account :)\n\n%4$s
     </string>
+    <string name="poll_duplicated_entry">Your poll can\'t have duplicated options!</string>
 </resources>