diff --git a/src/components/imageuploader/imageuploader.js b/src/components/imageuploader/imageuploader.js
index 98fcf0ebce..a616256e8e 100644
--- a/src/components/imageuploader/imageuploader.js
+++ b/src/components/imageuploader/imageuploader.js
@@ -74,7 +74,7 @@ define(['dialogHelper', 'connectionManager', 'dom', 'loading', 'scrollHelper', '
             return false;
         }
 
-        if (file.type !== "image/png" && file.type !== "image/x-png" && file.type !== "image/jpeg") {
+        if (file.type !== "image/png" && file.type !== "image/x-png" && file.type !== "image/jpeg" && file.type !== "image/webp") {
             require(['toast'], function (toast) {
                 toast(globalize.translate('MessageImageFileTypeAllowed'));
             });
@@ -185,4 +185,4 @@ define(['dialogHelper', 'connectionManager', 'dom', 'loading', 'scrollHelper', '
             });
         }
     };
-});
\ No newline at end of file
+});