diff --git a/files/templates/submit.html b/files/templates/submit.html
index b7d743fd5..2eec04eff 100644
--- a/files/templates/submit.html
+++ b/files/templates/submit.html
@@ -429,7 +429,7 @@
 					document.getElementById('urlblock').classList.add('d-none');
 					var fileReader = new FileReader();
 					fileReader.readAsDataURL(f.files[0]);
-					fileReader.addEventListener("load", function () {document.getElementById('image-preview').attr('src', this.result);});  
+					fileReader.addEventListener("load", function () {document.getElementById('image-preview').setAttribute('src', this.result);});  
 					document.getElementById('file-upload').setAttribute('required', 'false');
 					checkForRequired();
 				}
@@ -438,10 +438,10 @@
 			document.getElementById('file-upload').addEventListener('change', function(e){
 				f=document.getElementById('file-upload');
 				document.getElementById('urlblock').classList.add('d-none');
-				document.getElementById('filename-show').textContent = document.getElementById('file-upload')[0].files[0].name;
+				document.getElementById('filename-show').textContent = document.getElementById('file-upload').files[0].name;
 				var fileReader = new FileReader();
 				fileReader.readAsDataURL(f.files[0]);
-				fileReader.addEventListener("load", function () {document.getElementById('image-preview').attr('src', this.result);});  
+				fileReader.addEventListener("load", function () {document.getElementById('image-preview').setAttribute('src', this.result);});  
 				checkForRequired();
 			})
 		</script>