diff --git a/OpenSim/Region/ScriptEngine/Common/BuiltIn_Commands_BaseClass.cs b/OpenSim/Region/ScriptEngine/Common/BuiltIn_Commands_BaseClass.cs
index ce033ad1b0..c6b15d5614 100644
--- a/OpenSim/Region/ScriptEngine/Common/BuiltIn_Commands_BaseClass.cs
+++ b/OpenSim/Region/ScriptEngine/Common/BuiltIn_Commands_BaseClass.cs
@@ -1637,9 +1637,9 @@ namespace OpenSim.Region.ScriptEngine.Common
             m_LSL_Functions.llSetObjectPermMask(mask, value);
         }
 
-        public void llGetInventoryPermMask(string item, int mask)
+        public int llGetInventoryPermMask(string item, int mask)
         {
-            m_LSL_Functions.llGetInventoryPermMask(item, mask);
+            return m_LSL_Functions.llGetInventoryPermMask(item, mask);
         }
 
         public void llSetInventoryPermMask(string item, int mask, int value)
diff --git a/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs b/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs
index f66bfe4220..499445a72e 100644
--- a/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs
+++ b/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs
@@ -4113,10 +4113,30 @@ namespace OpenSim.Region.ScriptEngine.Common
             }
         }
 
-        public void llGetInventoryPermMask(string item, int mask)
+        public int llGetInventoryPermMask(string item, int mask)
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llGetInventoryPermMask");
+            foreach (KeyValuePair<LLUUID, TaskInventoryItem> inv in m_host.TaskInventory)
+            {
+                if (inv.Value.Name == item)
+                {
+                    switch (mask)
+                    {
+                        case 0:
+                            return (int)inv.Value.BaseMask;
+                        case 1:
+                            return (int)inv.Value.OwnerMask;
+                        case 2:
+                            return (int)inv.Value.GroupMask;
+                        case 3:
+                            return (int)inv.Value.EveryoneMask;
+                        case 4:
+                            return (int)inv.Value.NextOwnerMask;
+                    }
+                }
+            }
+            return -1;
+            //NotImplemented("llGetInventoryPermMask");
         }
 
         public void llSetInventoryPermMask(string item, int mask, int value)
diff --git a/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands_Interface.cs b/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands_Interface.cs
index c8b02da2ce..baa07ba47b 100644
--- a/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands_Interface.cs
+++ b/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands_Interface.cs
@@ -560,7 +560,7 @@ namespace OpenSim.Region.ScriptEngine.Common
         //wiki: llSetObjectPermMask(integer mask, integer value)
         void llSetObjectPermMask(int mask, int value);
         //wiki integer llGetInventoryPermMask(string item, integer mask)
-        void llGetInventoryPermMask(string item, int mask);
+        int llGetInventoryPermMask(string item, int mask);
         //wiki: llSetInventoryPermMask(string item, integer mask, integer value)
         void llSetInventoryPermMask(string item, int mask, int value);
         //wiki: key llGetInventoryCreator(string item)