2 files changed, 8 insertions, 1 deletions
diff --git a/indra/newview/llfloaterluadebug.cpp b/indra/newview/llfloaterluadebug.cpp
index 6da28aef5e..f715327ec8 100644
--- a/indra/newview/llfloaterluadebug.cpp
+++ b/indra/newview/llfloaterluadebug.cpp
@@ -153,13 +153,19 @@ void LLFloaterLUADebug::completion(int count, const LLSD& result)
         mResultOutput->endOfDoc();
         return;
     }
+    if (count == 0)
+    {
+        // no results
+        mResultOutput->pasteTextWithLinebreaks(stringize("ok ", ++mAck));
+        return;
+    }
     if (count == 1)
     {
         // single result
         mResultOutput->pasteTextWithLinebreaks(stringize(result));
         return;
     }
-    // 0 or multiple results
+    // multiple results
     const char* sep = "";
     for (const auto& item : llsd::inArray(result))
     {
diff --git a/indra/newview/llfloaterluadebug.h b/indra/newview/llfloaterluadebug.h
index 4d9e2fabca..ae30b7cf25 100644
--- a/indra/newview/llfloaterluadebug.h
+++ b/indra/newview/llfloaterluadebug.h
@@ -66,6 +66,7 @@ private:
     LLLineEditor* mLineInput;
     LLLineEditor* mScriptPath;
     LuaState mState;
+    U32 mAck{ 0 };
     bool mExecuting{ false };
 };