diff --git a/src/protocol.c b/src/protocol.c
index 4d6917d..146a4f5 100644
--- a/src/protocol.c
+++ b/src/protocol.c
@@ -439,7 +439,7 @@ Blockx (void)
       LoadCoordx (&NewCoord);
       screen_block_draw (&CurCoord, &NewCoord);
       SubMode = 0;
-      CurCoord.x-=15; // s0ascers 
+      CurCoord.y-=15; // s0ascers 
     }
 }