diff --git a/pd/nw/pd_canvas.js b/pd/nw/pd_canvas.js
index 1cf5fa04c4bbfe7e11cd6ccc2c93b7861ddf6136..a0490f56a90498686d65059df14b562e8f305e2f 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();
                     }
                 }