diff --git a/src/main/java/org/dynmap/hdmap/IsoHDPerspective.java b/src/main/java/org/dynmap/hdmap/IsoHDPerspective.java
index 8a7c38ed..b8e24e50 100644
--- a/src/main/java/org/dynmap/hdmap/IsoHDPerspective.java
+++ b/src/main/java/org/dynmap/hdmap/IsoHDPerspective.java
@@ -847,7 +847,7 @@ public class IsoHDPerspective implements HDPerspective {
         }
         /* Now, add the tiles for the ranges - not perfect, but it works (some extra tiles on corners possible) */
         for(int i = mintilex; i <= maxtilex; i++) {
-            for(int j = mintiley; j <= maxtiley; j++) {
+            for(int j = mintiley-1; j <= maxtiley; j++) {   /* Extra 1 - TODO: figure out why needed... */ 
                 addTile(tiles, world, i, j);
             }
         }