diff --git a/public/language/en-GB/error.json b/public/language/en-GB/error.json
index 14842a1507..260c397de6 100644
--- a/public/language/en-GB/error.json
+++ b/public/language/en-GB/error.json
@@ -175,5 +175,6 @@
 	"invalid-session": "Session Mismatch",
 	"invalid-session-text": "It looks like your login session is no longer active, or no longer matches with the server. Please refresh this page.",
 
-	"no-topics-selected": "No topics selected!"
+	"no-topics-selected": "No topics selected!",
+	"cant-move-to-same-topic": "Can't move post to same topic!"
 }