diff --git a/codechicken/multipart/TFacePart.scala b/codechicken/multipart/TFacePart.scala
new file mode 100644
index 0000000..f547b19
--- /dev/null
+++ b/codechicken/multipart/TFacePart.scala
@@ -0,0 +1,6 @@
+package codechicken.multipart
+
+trait TFacePart extends TMultiPart
+{
+    def solid(side:Int):Boolean = true
+}
\ No newline at end of file
diff --git a/codechicken/multipart/TMultiPart.scala b/codechicken/multipart/TMultiPart.scala
index 5b81337..af52c42 100644
--- a/codechicken/multipart/TMultiPart.scala
+++ b/codechicken/multipart/TMultiPart.scala
@@ -93,9 +93,4 @@ abstract class TMultiPart
     
     def sendDescUpdate() = writeDesc(tile.getWriteStream(this))
     def scheduleTick(ticks:Int) = TickScheduler.scheduleTick(this, ticks)
-}
-
-trait TFacePart extends TMultiPart
-{
-    def solid(side:Int):Boolean = true
 }
\ No newline at end of file
diff --git a/codechicken/multipart/TileMultipart.scala b/codechicken/multipart/TileMultipart.scala
index 6ebc735..51863c7 100644
--- a/codechicken/multipart/TileMultipart.scala
+++ b/codechicken/multipart/TileMultipart.scala
@@ -122,8 +122,11 @@ trait TileMultipart extends TileEntity
     
     def isSolid(side:Int):Boolean = 
     {
-        val part = partMap(PartMap.face(side).i)
-        if(part != null) part.asInstanceOf[TFacePart].solid(side) else false
+        val part = partMap(side)
+        if(part != null) 
+            return part.asInstanceOf[TFacePart].solid(side)
+        
+        return false
     }
     
     private def setTicking(tick:Boolean)