diff --git a/expertWires.js b/expertWires.js
index 8fc196f..f439afd 100644
--- a/expertWires.js
+++ b/expertWires.js
@@ -346,7 +346,7 @@ function setupChipLayoutGraphics(){
 // utility function to save graphics pan and zoom
 function whereAmIAsQuery(){
 	var w=whereAmI();
-	return "panx="+w[0]+"&pany="+w[1]+"&zoom="+w[2]
+	return "panx="+w[0].toFixed(1)+"&pany="+w[1].toFixed(1)+"&zoom="+w[2].toFixed(1);
 }
 function whereAmI(){
 	return [centerx, centery, zoom];