diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
index c791167345..8d489ae1a2 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
@@ -1979,7 +1979,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             }
         }
 
-	public void osSetParcelMusicURL(string url)
+        public void osSetParcelMusicURL(LSL_String url)
         {
             CheckThreatLevel(ThreatLevel.VeryLow, "osSetParcelMusicURL");