diff --git a/app/pub/scripts/anviewer.js b/app/pub/scripts/anviewer.js
index 5e5eec5..d4266df 100644
--- a/app/pub/scripts/anviewer.js
+++ b/app/pub/scripts/anviewer.js
@@ -19,9 +19,9 @@ function renderPage() {
     //var viewport = page.getViewport({scale: scale});
 
     if (category == 3)
-      currscale = 3,5;
+      currscale = 3.5;
     else
-      currscale = 2,5;  
+      currscale = 2.5;  
     
     var viewport = page.getViewport({scale: currscale});
    // var viewport = page.getViewport(canvas.width / page.getViewport(0.5).width)