diff --git a/src/micropolisj/build_tool/MakeTiles.java b/src/micropolisj/build_tool/MakeTiles.java
index e4a1045..41600f6 100644
--- a/src/micropolisj/build_tool/MakeTiles.java
+++ b/src/micropolisj/build_tool/MakeTiles.java
@@ -182,8 +182,7 @@ public class MakeTiles
 
 		String [] cmdline = {
 			inkscapeBin.toString(),
-			"--export-width="+TILE_SIZE,
-			"--export-height="+TILE_SIZE,
+			"--export-dpi="+(TILE_SIZE*90.0/16.0),
 			"--export-png="+pngFile.toString(),
 			svgFile.toString()
 			};