diff --git a/htdocs/comm/action/card.php b/htdocs/comm/action/card.php
index 97ff00e0ebc..63f18d2c046 100644
--- a/htdocs/comm/action/card.php
+++ b/htdocs/comm/action/card.php
@@ -1355,6 +1355,8 @@ if ($action == 'create') {
                             }
 							$("#selectremindertype").select2("destroy");
 							$("#selectremindertype").select2();
+							$("#select_offsetunittype_duration").select2("destroy");
+							$("#select_offsetunittype_duration").select2();
 	            		 });
 
 	            		$("#selectremindertype").change(function(){
diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index ef184548add..74dc0635292 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -6544,7 +6544,7 @@ class Form
 			unset($TDurationTypes[$value]);
 		}
 
-		$retstring = '<select class="flat" id="select_'.$prefix.'type_duration" name="'.$prefix.'type_duration">';
+		$retstring = '<select class="flat minwidth75 maxwidth100" id="select_'.$prefix.'type_duration" name="'.$prefix.'type_duration">';
 		foreach ($TDurationTypes as $key => $typeduration) {
 			$retstring .= '<option value="'.$key.'"';
 			if ($key == $selected) {