diff --git a/src/map/Map.js b/src/map/Map.js
index 43f4372..15e5b3b 100644
--- a/src/map/Map.js
+++ b/src/map/Map.js
@@ -405,8 +405,16 @@ export class Map {
 			const texture = tile.model.material.uniforms?.textureImage?.value?.image;
 			if (texture == null) continue;
 
-			const color = getPixel(texture, x - tileX * scaledTileSize.x, z - tileZ * scaledTileSize.z + this.data.lowres.tileSize.z);
-			return color[2];
+			const color = getPixel(texture, x - tileX * scaledTileSize.x, z - tileZ * scaledTileSize.z + this.data.lowres.tileSize.z + 1);
+
+			let heightUnsigned = color[1] * 256.0 + color[2];
+			if (heightUnsigned >= 32768.0) {
+				return -(65535.0 - heightUnsigned);
+			} else {
+				return heightUnsigned;
+			}
+
+
 		}
 
 		return false;
diff --git a/src/util/Utils.js b/src/util/Utils.js
index 2bffb68..be3c946 100644
--- a/src/util/Utils.js
+++ b/src/util/Utils.js
@@ -387,6 +387,6 @@ pixel.height = 1;
 const pixelContext = pixel.getContext('2d');
 
 export const getPixel = (img, x, y) => {
-    pixelContext.drawImage(img, x, y, 1, 1, 0, 0, 1, 1);
+    pixelContext.drawImage(img, Math.floor(x), Math.floor(y), 1, 1, 0, 0, 1, 1);
     return pixelContext.getImageData(0, 0, 1, 1).data;
 }