diff --git a/guacamole/src/main/webapp/scripts/interface.js b/guacamole/src/main/webapp/scripts/interface.js
index 3fe51b9b0..832633510 100644
--- a/guacamole/src/main/webapp/scripts/interface.js
+++ b/guacamole/src/main/webapp/scripts/interface.js
@@ -435,11 +435,11 @@ GuacamoleUI.attach = function(guac) {
         GuacamoleUI.clipboard.value = data;
     };
 
-    GuacamoleUI.keyboard.onkeypress = function(keysym) {
+    GuacamoleUI.keyboard.onkeydown = function(keysym) {
         guac.sendKeyEvent(1, keysym);
     };
 
-    GuacamoleUI.keyboard.onkeyrelease = function(keysym) {
+    GuacamoleUI.keyboard.onkeyup = function(keysym) {
         guac.sendKeyEvent(0, keysym);
     };