diff --git a/jquery.poptrox.js b/jquery.poptrox.js
index 215a8c9..ccd0760 100644
--- a/jquery.poptrox.js
+++ b/jquery.poptrox.js
@@ -297,6 +297,7 @@
 						e.preventDefault();
 						$popup.trigger('poptrox_next');
 
+						return false;
 					});
 
 				$nav_previous
@@ -306,6 +307,7 @@
 						e.preventDefault();
 						$popup.trigger('poptrox_previous');
 
+						return false;
 					});
 
 				$overlay