diff --git a/src/app/entity-groups/research-entities/item-pages/org-unit/org-unit.component.html b/src/app/entity-groups/research-entities/item-pages/org-unit/org-unit.component.html
index 822d4858ce..14d56d4104 100644
--- a/src/app/entity-groups/research-entities/item-pages/org-unit/org-unit.component.html
+++ b/src/app/entity-groups/research-entities/item-pages/org-unit/org-unit.component.html
@@ -9,7 +9,12 @@
 <div class="row">
   <div class="col-xs-12 col-md-4">
     <ds-metadata-field-wrapper>
-      <ds-thumbnail [thumbnail]="getThumbnail() | async" [defaultImage]="'assets/images/orgunit-placeholder.svg'"></ds-thumbnail>
+      <ds-thumbnail [thumbnail]="getThumbnail() | async"
+                    [defaultImage]="'assets/images/orgunit-placeholder.svg'"
+                    [alt]="'thumbnail.orgunit.alt'"
+                    [placeholder]="'thumbnail.orgunit.placeholder'"
+      >
+      </ds-thumbnail>
     </ds-metadata-field-wrapper>
     <ds-generic-item-page-field [item]="object"
       [fields]="['organization.foundingDate']"
diff --git a/src/app/entity-groups/research-entities/item-pages/person/person.component.html b/src/app/entity-groups/research-entities/item-pages/person/person.component.html
index e1c776f366..2a7c9bd023 100644
--- a/src/app/entity-groups/research-entities/item-pages/person/person.component.html
+++ b/src/app/entity-groups/research-entities/item-pages/person/person.component.html
@@ -9,7 +9,11 @@
 <div class="row">
   <div class="col-xs-12 col-md-4">
     <ds-metadata-field-wrapper>
-      <ds-thumbnail [thumbnail]="getThumbnail() | async" [defaultImage]="'assets/images/person-placeholder.svg'"></ds-thumbnail>
+      <ds-thumbnail [thumbnail]="getThumbnail() | async"
+                    [defaultImage]="'assets/images/person-placeholder.svg'"
+                    [alt]="'thumbnail.person.alt'"
+                    [placeholder]="'thumbnail.person.placeholder'">
+      </ds-thumbnail>
     </ds-metadata-field-wrapper>
     <ds-generic-item-page-field [item]="object"
       [fields]="['person.email']"
diff --git a/src/app/entity-groups/research-entities/item-pages/project/project.component.html b/src/app/entity-groups/research-entities/item-pages/project/project.component.html
index 9967b940ac..0590c8bfe4 100644
--- a/src/app/entity-groups/research-entities/item-pages/project/project.component.html
+++ b/src/app/entity-groups/research-entities/item-pages/project/project.component.html
@@ -9,7 +9,12 @@
 <div class="row">
   <div class="col-xs-12 col-md-4">
     <ds-metadata-field-wrapper>
-      <ds-thumbnail [thumbnail]="getThumbnail() | async" [defaultImage]="'assets/images/project-placeholder.svg'"></ds-thumbnail>
+      <ds-thumbnail
+        [thumbnail]="getThumbnail() | async"
+        [defaultImage]="'assets/images/project-placeholder.svg'"
+        [alt]="'thumbnail.project.alt'"
+        [placeholder]="'thumbnail.project.placeholder'">
+      </ds-thumbnail>
     </ds-metadata-field-wrapper>
     <!--<ds-generic-item-page-field [item]="object"-->
       <!--[fields]="['project.identifier.status']"-->