diff --git a/src/Blocks/BlockMobHead.h b/src/Blocks/BlockMobHead.h
index 080843a73..c4f41ba34 100644
--- a/src/Blocks/BlockMobHead.h
+++ b/src/Blocks/BlockMobHead.h
@@ -70,7 +70,7 @@ public:
 		};
 		cCallback Callback(a_Player, a_BlockMeta, static_cast<NIBBLETYPE>(a_BlockFace));
 		
-		a_BlockMeta = a_BlockFace;
+		a_BlockMeta = (NIBBLETYPE)a_BlockFace;
 		cWorld * World = (cWorld *) &a_WorldInterface;
 		World->DoWithMobHeadAt(a_BlockX, a_BlockY, a_BlockZ, Callback);
 		a_ChunkInterface.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, a_BlockMeta);
diff --git a/src/Blocks/BlockSlab.h b/src/Blocks/BlockSlab.h
index 77e8b8e55..4f94d45f6 100644
--- a/src/Blocks/BlockSlab.h
+++ b/src/Blocks/BlockSlab.h
@@ -103,6 +103,7 @@ public:
 					a_BlockMeta = Meta & 0x7; break;
 				}
 			}
+			case BLOCK_FACE_NONE: return false;
 		}  // switch (a_BlockFace)
 		return true;
 	}
diff --git a/src/Blocks/BlockStairs.h b/src/Blocks/BlockStairs.h
index 1072b7e71..09ff254a6 100644
--- a/src/Blocks/BlockStairs.h
+++ b/src/Blocks/BlockStairs.h
@@ -30,9 +30,7 @@ public:
 		UNUSED(a_BlockY);
 		UNUSED(a_BlockZ);
 		UNUSED(a_CursorX);
-		UNUSED(a_CursorY);
 		UNUSED(a_CursorZ);
-		UNUSED(a_BlockMeta);
 		a_BlockType = m_BlockType;
 		a_BlockMeta = RotationToMetaData(a_Player->GetYaw());
 		switch (a_BlockFace)
@@ -51,10 +49,12 @@ public:
 				}
 				break;
 			}
+			case BLOCK_FACE_NONE: return false;
 		}
 		return true;
 	}
 	
+	
 	virtual const char * GetStepSound(void) override
 	{
 		if (
diff --git a/src/Blocks/BlockVine.h b/src/Blocks/BlockVine.h
index e796a45ae..7bb9dc484 100644
--- a/src/Blocks/BlockVine.h
+++ b/src/Blocks/BlockVine.h
@@ -197,14 +197,14 @@ public:
 	virtual NIBBLETYPE MetaMirrorXY(NIBBLETYPE a_Meta) override
 	{
 		// Bits 2 and 4 stay, bits 1 and 3 swap
-		return ((a_Meta & 0x0a) | ((a_Meta & 0x01) << 2) | ((a_Meta & 0x04) >> 2));
+		return (NIBBLETYPE)((a_Meta & 0x0a) | ((a_Meta & 0x01) << 2) | ((a_Meta & 0x04) >> 2));
 	}
 
 
 	virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) override
 	{
 		// Bits 1 and 3 stay, bits 2 and 4 swap
-		return ((a_Meta & 0x05) | ((a_Meta & 0x02) << 2) | ((a_Meta & 0x08) >> 2));
+		return (NIBBLETYPE)((a_Meta & 0x05) | ((a_Meta & 0x02) << 2) | ((a_Meta & 0x08) >> 2));
 	}
 
 } ;