From a3e0b01d19500d6d054b9560173187d308326670 Mon Sep 17 00:00:00 2001
From: Giuseppe Digilio <giuseppe.digilio@4science.it>
Date: Mon, 31 Jul 2017 16:25:44 +0200
Subject: [PATCH] change collection-page.component

---
 src/app/collection-page/collection-page.component.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/app/collection-page/collection-page.component.ts b/src/app/collection-page/collection-page.component.ts
index a9f2d9dd2e..72c9ebd240 100644
--- a/src/app/collection-page/collection-page.component.ts
+++ b/src/app/collection-page/collection-page.component.ts
@@ -99,12 +99,12 @@ export class CollectionPageComponent implements OnChanges, OnInit, OnDestroy {
       elementsPerPage: this.config.pageSize,
       sort: this.sortConfig
     });
-    this.itemData.pageInfo.subscribe((pageInfo) => {
+    this.subs.push(this.itemData.pageInfo.subscribe((pageInfo) => {
       if (isUndefined(this.pageInfoState) || this.pageInfoState !== pageInfo) {
         this.pageInfoState = pageInfo;
         this.ref.detectChanges();
       }
-    });
+    }));
 
   }
 }