diff --git a/searchPages/searchUtils/searchResult.component.ts b/searchPages/searchUtils/searchResult.component.ts
index 18ef6305..ad24d244 100644
--- a/searchPages/searchUtils/searchResult.component.ts
+++ b/searchPages/searchUtils/searchResult.component.ts
@@ -43,11 +43,15 @@ export class SearchResultComponent implements OnInit, OnChanges  {
           impact[result.doi]=result;
         });
         this.previewResults.forEach(function (result) {
-          result.identifiers.get("doi").forEach(function (doi) {
-          if(impact[doi]) {
-           result.DOI = doi;
+          if(result.identifiers) {
+            result.identifiers.get("doi").forEach(function (doi) {
+              if (impact[doi]) {
+                result.DOI = doi;
+              }
+
+            })
           }
-        })});
+         });
         for (let i = 0; i < this.previewResults.length; i++) {
           if (this.previewResults[i].DOI) {
             this.previewResults[i].pop_inf = new Array<string>();
diff --git a/utils/tabs/contents/search-tab.component.ts b/utils/tabs/contents/search-tab.component.ts
index 3c75a878..5669114b 100644
--- a/utils/tabs/contents/search-tab.component.ts
+++ b/utils/tabs/contents/search-tab.component.ts
@@ -24,7 +24,7 @@ import {ErrorCodes} from "../../properties/errorCodes";
         <search-result [properties]="properties"
                        [results]="fetch.results"
                        [status]="fetch.searchUtils.status"
-                       [type]="resultType">
+                       [type]="resultType"  [showImpactFactors]="showImpactFactors" >
         </search-result>
 
         <div class="uk-text-right">
@@ -45,6 +45,7 @@ export class SearchTabComponent {
     @Input() public searchNumber: number = 5;
     @Input() public searchLinkToAdvancedPage: string;
     @Input() properties: EnvProperties;
+    @Input() showImpactFactors;
     public errorCodes: ErrorCodes = new ErrorCodes();
 
     public getEntityName(entityType: string, plural: boolean, full: boolean): string {