diff --git a/src/Blocks/BlockSign.h b/src/Blocks/BlockSign.h
index 82d9a2fcc..24346b930 100644
--- a/src/Blocks/BlockSign.h
+++ b/src/Blocks/BlockSign.h
@@ -75,13 +75,13 @@ public:
 
 	virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) override
 	{
-		return ++a_Meta;
+		return (++a_Meta) & 0x0F;
 	}
 
 
 	virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override
 	{
-		return --a_Meta;
+		return (--a_Meta) & 0x0F;
 	}
 } ;