diff --git a/indra/llcommon/llerror.cpp b/indra/llcommon/llerror.cpp
index 02b150807f..4c4d1f59d0 100644
--- a/indra/llcommon/llerror.cpp
+++ b/indra/llcommon/llerror.cpp
@@ -585,7 +585,7 @@ namespace LLError
 				pTag = "<NULL>";
 			mTagString.append(pTag);
 			// </FS:ND>
-            mTagString.append((i == mTagCount - 1) ? "" : ",");
+            mTagString.append((i == mTagCount - 1) ? ";" : ",");
 		}
 	}