diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 2149f2b959..bb8ec9ccb2 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -5645,7 +5645,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             }
             else if (name == "sim_version")
             {
-                return "";
+                return World.GetSimulatorVersion();
             }
             else
             {