From 91fc1cd10160633f90b502211435ce2ed3df0ad8 Mon Sep 17 00:00:00 2001
From: Ilya Surmay <ilya.surmay@gmail.com>
Date: Wed, 26 Jul 2017 15:05:16 +0300
Subject: [PATCH] fix(popover): fix undefined container class (#2283)

---
 src/popover/popover.directive.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/popover/popover.directive.ts b/src/popover/popover.directive.ts
index dd006395af..ba7ba4a5b5 100644
--- a/src/popover/popover.directive.ts
+++ b/src/popover/popover.directive.ts
@@ -37,7 +37,7 @@ export class PopoverDirective implements OnInit, OnDestroy {
   /**
    * Css class for popover container
    */
-  @Input() public containerClass: string;
+  @Input() public containerClass: string = '';
 
   /**
    * Returns whether or not the popover is currently being shown