diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index 60485186e0..ecf10e43ad 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -4589,7 +4589,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             
             if (landData.SimwideArea > 0)
             {
-                int simulatorCapacity = (int)(((float)landData.SimwideArea / 65536.0f) * (float)m_scene.RegionInfo.ObjectCapacity * (float)m_scene.RegionInfo.RegionSettings.ObjectBonus);
+                int simulatorCapacity = (int)((double)(landData.SimwideArea * m_scene.RegionInfo.ObjectCapacity) * m_scene.RegionInfo.RegionSettings.ObjectBonus) / 65536;
+                // Never report more than sim total capacity
+                if (simulatorCapacity > m_scene.RegionInfo.ObjectCapacity)
+                    simulatorCapacity = m_scene.RegionInfo.ObjectCapacity;
                 updateMessage.SimWideMaxPrims = simulatorCapacity;
             }
             else
diff --git a/OpenSim/Region/CoreModules/World/Land/LandObject.cs b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
index 2a6d362833..950dff7266 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandObject.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
@@ -190,10 +190,26 @@ namespace OpenSim.Region.CoreModules.World.Land
             else
             {
                 // Normal Calculations
-                int parcelMax = (int)(((float)LandData.Area / 65536.0f)
-                              * (float)m_scene.RegionInfo.ObjectCapacity
-                              * (float)m_scene.RegionInfo.RegionSettings.ObjectBonus);
-                // TODO: The calculation of ObjectBonus should be refactored. It does still not work in the same manner as SL!
+                int parcelMax = (int)((double)(LandData.Area
+                              * m_scene.RegionInfo.ObjectCapacity)
+                              * m_scene.RegionInfo.RegionSettings.ObjectBonus)
+                              / 65536;
+                return parcelMax;
+            }
+        }
+
+        private int GetParcelBasePrimCount()
+        {
+            if (overrideParcelMaxPrimCount != null)
+            {
+                return overrideParcelMaxPrimCount(this);
+            }
+            else
+            {
+                // Normal Calculations
+                int parcelMax = LandData.Area
+                              * m_scene.RegionInfo.ObjectCapacity
+                              / 65536;
                 return parcelMax;
             }
         }
@@ -245,7 +261,7 @@ namespace OpenSim.Region.CoreModules.World.Land
             remote_client.SendLandProperties(seq_id,
                     snap_selection, request_result, this,
                     (float)m_scene.RegionInfo.RegionSettings.ObjectBonus,
-                    GetParcelMaxPrimCount(),
+                    GetParcelBasePrimCount(),
                     GetSimulatorMaxPrimCount(), regionFlags);
         }