diff --git a/pd/nw/pd_canvas.js b/pd/nw/pd_canvas.js
index e7bc1ae692329ec6c02e0550b80cdee0ed6baf10..f133f99ba863880cc5af808a17ddfb303fe65582 100644
--- a/pd/nw/pd_canvas.js
+++ b/pd/nw/pd_canvas.js
@@ -411,10 +411,9 @@ var canvas_events = (function() {
             },
             keydown: function(evt) {
                 pdgui.keydown(name, evt);
-                // prevent the default behavior of scrolling
-                // on arrow keys in editmode
+                // prevent the default behavior of scrolling using arrow keys
                 if (document.querySelector("#patchsvg")) {
-                    if ([32, 37, 38, 39, 40].indexOf(evt.keyCode) > -1) {
+                    if ([37, 38, 39, 40].indexOf(evt.keyCode) > -1) {
                         evt.preventDefault();
                     }
                 }