diff --git a/src/tilemap/TilemapParser.js b/src/tilemap/TilemapParser.js
index b9f1a8eb7..089013133 100644
--- a/src/tilemap/TilemapParser.js
+++ b/src/tilemap/TilemapParser.js
@@ -319,6 +319,10 @@ Phaser.TilemapParser = {
             newSet.columns = (set.imagewidth - set.margin) / (set.tilewidth + set.spacing);
             newSet.total = newSet.rows * newSet.columns;
 
+            if (newSet.rows % 1 !== 0 || newSet.columns % 1 !== 0) {
+                console.warn('TileSet image dimensions do not match expected dimensions.');
+            }
+
             tilesets.push(newSet);
         }