diff --git a/src/jquery.uls.languagefilter.js b/src/jquery.uls.languagefilter.js
index b2ec6ef..e41e8ed 100644
--- a/src/jquery.uls.languagefilter.js
+++ b/src/jquery.uls.languagefilter.js
@@ -82,6 +82,10 @@
 						break;
 					}
 
+					// Avoid bubbling this 'enter' to background page elements
+					e.preventDefault();
+					e.stopPropagation();
+
 					query = $.trim( this.$element.val() ).toLowerCase();
 
 					if ( this.selectedLanguage ) {