diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index ebdd9dae38..23b74ce9ee 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -9009,7 +9009,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                         res.Add(new LSL_Vector(textColor.R,
                                                textColor.G,
                                                textColor.B));
-                        res.Add(new LSL_Float(textColor.A));
+                        res.Add(new LSL_Float(1.0 - textColor.A));
                         break;
                     case (int)ScriptBaseClass.PRIM_NAME:
                         res.Add(new LSL_String(part.Name));