diff --git a/src/jquery-ui-timepicker-addon.js b/src/jquery-ui-timepicker-addon.js
index 79de1e34..0c90a37a 100644
--- a/src/jquery-ui-timepicker-addon.js
+++ b/src/jquery-ui-timepicker-addon.js
@@ -1501,7 +1501,7 @@
 											(tp_inst._defaults.amNames.join('')) + (tp_inst._defaults.pmNames.join('')) + 
 											dateChars,
 					chr = String.fromCharCode(event.charCode === undefined ? event.keyCode : event.charCode);
-				return event.ctrlKey || (chr < ' ' || !dateChars || datetimeChars.indexOf(chr) > -1);
+				return event.ctrlKey || event.metaKey || (chr < ' ' || !dateChars || datetimeChars.indexOf(chr) > -1);
 			}
 		}