diff --git a/Server/TileMatrix.cs b/Server/TileMatrix.cs
index eff3abba8..76a70e936 100644
--- a/Server/TileMatrix.cs
+++ b/Server/TileMatrix.cs
@@ -399,8 +399,11 @@ namespace Server
 
 					fixed ( StaticTile *pTiles = staTiles )
 					{
+#if !MONO
 						NativeReader.Read( m_Statics.SafeFileHandle.DangerousGetHandle(), pTiles, length );
-
+#else
+						NativeReader.Read( m_Statics.Handle, pTiles, length );
+#endif
 						if ( m_Lists == null )
 						{
 							m_Lists = new TileList[8][];
@@ -469,7 +472,11 @@ namespace Server
 
 				fixed ( LandTile *pTiles = tiles )
 				{
+#if !MONO
 					NativeReader.Read( m_Map.SafeFileHandle.DangerousGetHandle(), pTiles, 192 );
+#else
+					NativeReader.Read( m_Map.Handle, pTiles, 192 );
+#endif
 				}
 
 				return tiles;
diff --git a/Server/TileMatrixPatch.cs b/Server/TileMatrixPatch.cs
index 8b9ae159e..7f4e3e050 100644
--- a/Server/TileMatrixPatch.cs
+++ b/Server/TileMatrixPatch.cs
@@ -99,7 +99,11 @@ namespace Server
 
 						fixed ( LandTile *pTiles = tiles )
 						{
+#if !MONO
 							NativeReader.Read( fsData.SafeFileHandle.DangerousGetHandle(), pTiles, 192 );
+#else
+							NativeReader.Read( fsData.Handle, pTiles, 192 );
+#endif
 						}
 
 						matrix.SetLandBlock( x, y, tiles );
@@ -164,8 +168,11 @@ namespace Server
 
 							fixed ( StaticTile *pTiles = staTiles )
 							{
+#if !MONO
 								NativeReader.Read( fsData.SafeFileHandle.DangerousGetHandle(), pTiles, length );
-
+#else
+								NativeReader.Read( fsData.Handle, pTiles, length );
+#endif
 								StaticTile *pCur = pTiles, pEnd = pTiles + tileCount;
 
 								while ( pCur < pEnd )