diff --git a/src/redux/preview.js b/src/redux/preview.js
index fccdc0830..f677895b3 100644
--- a/src/redux/preview.js
+++ b/src/redux/preview.js
@@ -863,3 +863,24 @@ module.exports.reportProject = (id, jsonData, token) => (dispatch => {
         dispatch(module.exports.setFetchStatus('report', module.exports.Status.FETCHED));
     });
 });
+
+module.exports.updateProjectThumbnail = (id, blob) => (dispatch => {
+    dispatch(module.exports.setFetchStatus('project-thumbnail', module.exports.Status.FETCHING));
+    api({
+        uri: `/internalapi/project/thumbnail/${id}/set/`,
+        method: 'POST',
+        headers: {
+            'Content-Type': 'image/png'
+        },
+        withCredentials: true,
+        useCsrf: true,
+        body: blob,
+        host: '' // Not handled by the API, use existing infrastructure
+    }, (err, body, res) => {
+        if (err || res.statusCode !== 200) {
+            dispatch(module.exports.setFetchStatus('project-thumbnail', module.exports.Status.ERROR));
+            return;
+        }
+        dispatch(module.exports.setFetchStatus('project-thumbnail', module.exports.Status.FETCHED));
+    });
+});
diff --git a/src/views/preview/project-view.jsx b/src/views/preview/project-view.jsx
index cc70c42fc..bfc903edf 100644
--- a/src/views/preview/project-view.jsx
+++ b/src/views/preview/project-view.jsx
@@ -519,6 +519,7 @@ class Preview extends React.Component {
                         onShare={this.handleShare}
                         onToggleLoginOpen={this.props.handleToggleLoginOpen}
                         onUpdateProjectId={this.handleUpdateProjectId}
+                        onUpdateProjectThumbnail={this.props.handleUpdateProjectThumbnail}
                         onUpdateProjectTitle={this.handleUpdateProjectTitle}
                     />
                     <Registration />
@@ -569,6 +570,7 @@ Preview.propTypes = {
     handleRestoreComment: PropTypes.func,
     handleSeeAllComments: PropTypes.func,
     handleToggleLoginOpen: PropTypes.func,
+    handleUpdateProjectThumbnail: PropTypes.func,
     isAdmin: PropTypes.bool,
     isEditable: PropTypes.bool,
     isLoggedIn: PropTypes.bool,
@@ -717,6 +719,9 @@ const mapDispatchToProps = dispatch => ({
         dispatch(previewActions.resetComments());
         dispatch(previewActions.getTopLevelComments(id, 0, isAdmin, token));
     },
+    handleUpdateProjectThumbnail: (id, blob) => {
+        dispatch(previewActions.updateProjectThumbnail(id, blob));
+    },
     getOriginalInfo: id => {
         dispatch(previewActions.getOriginalInfo(id));
     },