1 files changed, 1 insertions, 1 deletions

diff --git a/src/Blocks/BlockPortal.h b/src/Blocks/BlockPortal.h
index 6f41f96df..fc74e89d0 100644
--- a/src/Blocks/BlockPortal.h
+++ b/src/Blocks/BlockPortal.h
@@ -55,7 +55,7 @@ public:
 
 	virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
 	{
-		if ((a_RelY == 0) || (a_RelY == cChunkDef::Height)) // Y can't be < 0 or > Height; (Fast)SetBlock won't allow it
+		if ((a_RelY - 1 < 0) || (a_RelY + 1 > cChunkDef::Height))
 		{
 			return false;  // In case someone places a portal with meta 1 or 2 at boundaries, and server tries to get invalid coords at Y - 1 or Y + 1
 		}