diff --git a/visualRegressionTests/tests/defaultV2/file.ts b/visualRegressionTests/tests/defaultV2/file.ts
index 475c840c3e..e5b5a27843 100644
--- a/visualRegressionTests/tests/defaultV2/file.ts
+++ b/visualRegressionTests/tests/defaultV2/file.ts
@@ -65,8 +65,8 @@ frameworks.forEach(framework => {
       await t.resizeWindow(1920, 1080);
       await ClientFunction(() => {
         const question = (window as any).survey.getQuestionByName("file_question");
-        question.imageWidth = 100;
-        question.imageHeight = 100;
+        question.imageWidth = "100px";
+        question.imageHeight = "100px";
       })();
       await t.setFilesToUpload(Selector(".sd-file input"), ["files/SingleImage.jpg"]);
       const questionRoot = Selector(".sd-question");
@@ -74,16 +74,16 @@ frameworks.forEach(framework => {
 
       await ClientFunction(() => {
         const question = (window as any).survey.getQuestionByName("file_question");
-        question.imageWidth = 1920;
-        question.imageHeight = 1080;
+        question.imageWidth = "1920px";
+        question.imageHeight = "1080px";
       })();
       await takeElementScreenshot("file-question-single-big-image.png", questionRoot, t, comparer);
 
       await ClientFunction(() => {
         const question = (window as any).survey.getQuestionByName("file_question");
         question.allowMultiple = true;
-        question.imageWidth = 50;
-        question.imageHeight = 50;
+        question.imageWidth = "50px";
+        question.imageHeight = "50px";
         question.clear();
       })();
       await t.setFilesToUpload(Selector(".sd-file input"), ["files/Badger.png", "files/Bird.png", "files/Flamingo.png"]);
@@ -92,8 +92,8 @@ frameworks.forEach(framework => {
       await ClientFunction(() => {
         const question = (window as any).survey.getQuestionByName("file_question");
         question.allowMultiple = true;
-        question.imageWidth = 1920;
-        question.imageHeight = 1080;
+        question.imageWidth = "1920px";
+        question.imageHeight = "1080px";
       })();
       await takeElementScreenshot("file-question-multiple-big-images.png", questionRoot, t, comparer);
     });