diff --git a/APPL/Shared/BijlagenForm.asp b/APPL/Shared/BijlagenForm.asp
index 9161c18522..379b55d0c7 100644
--- a/APPL/Shared/BijlagenForm.asp
+++ b/APPL/Shared/BijlagenForm.asp
@@ -153,6 +153,7 @@ if (fso.FolderExists(params.AttachPath))
 
       window.return_data = {};
       var looseFiles = [];
+      var isMultiple;
       var isAdvancedUpload = function() {
         var div = document.createElement('div');
         return (('draggable' in div) || ('ondragstart' in div && 'ondrop' in div)) && 'FormData' in window && 'FileReader' in window;
@@ -160,6 +161,7 @@ if (fso.FolderExists(params.AttachPath))
 
       $(function() {
 
+        isMultiple = $("input#file-upload").attr("multiple") ? 1 : 0;
         $body = $("body#mod_bijlagen");
         if (isAdvancedUpload) {
 
@@ -168,7 +170,8 @@ if (fso.FolderExists(params.AttachPath))
             e.stopPropagation();
           })
           .on('dragover dragenter', function() {
-            $body.addClass("dragon");
+            if (document.forms.u2.imgfile) // Anders betreft het een enkel bestand die al gevuld is.
+                $body.addClass("dragon");
           })
           .on('dragleave dragend drop', function() {
             $body.removeClass("dragon");
@@ -184,7 +187,7 @@ if (fso.FolderExists(params.AttachPath))
           var data = (e.originalEvent || e).clipboardData;
 
           if (data.items.length && data.items[0].type.indexOf("image") !== -1)
-            addFiles(data.items[0], "paste");
+            addFiles(data.items[0], "ctrlv");
         });
       });
 
@@ -205,7 +208,8 @@ if (fso.FolderExists(params.AttachPath))
 
       function addFiles(fileInput, source)
       {
-          if (source == "paste")
+        if (document.forms.u2.imgfile) // Anders betreft het een enkel bestand die al gevuld is.
+          if (source == "ctrlv")
           {
             looseFiles = [fileInput.getAsFile()]; // List of File instead of FileList
             document.getElementById("displayFilename").innerText = fileInput.getAsFile().name
@@ -216,7 +220,7 @@ if (fso.FolderExists(params.AttachPath))
           {
             looseFiles = $.extend(true, {}, fileInput.files);
             displayFilename(fileInput);
-            iface.button[fileInput.files && fileInput.files.length ? 'enable' : 'disable' ]('btn_upload_submit');
+            iface.button[fileInput.files && fileInput.files.length ? 'enable' : 'disable']('btn_upload_submit');
           }
       }
 
@@ -272,10 +276,12 @@ if (fso.FolderExists(params.AttachPath))
         if (document.forms.u2.imgfile.value == "" && !looseFiles.length)
             return false;
 
+        // Officieel lte IE9 niet meer gesupport, dus .files mag gebruikt worden
         var fileList = looseFiles.length ? looseFiles : document.forms.u2.imgfile.files;
+        var loopFiles = isMultiple ? fileList.length : (fileList.length ? 1 : 0);
 
         // File(s) valideren
-        for (var i = 0; i < fileList.length; i++)
+        for (var i = 0; i < loopFiles; i++)
         {
             if (!validateFile(fileList[i]))
                 return false;
@@ -287,7 +293,7 @@ if (fso.FolderExists(params.AttachPath))
         var fTable = document.getElementById("filetable");
         var fRow = fTable.getElementsByTagName("A");
         if (fRow.length)
-            for (var x = 0; x < fileList.length; x++)
+            for (var x = 0; x < loopFiles; x++)
             {
                 for(var y = 0; y < fRow.length; y++)
                 {
@@ -318,7 +324,7 @@ if (fso.FolderExists(params.AttachPath))
                                   var ajaxData = new FormData();
                                   ajaxData.append("<%=protectRequest.theVar%>", "<%=safe.htmlattr(protectRequest.theToken())%>");
 
-                                  for (var i = 0; i < looseFiles.length; i++)
+                                  for (var i = 0; i < loopFiles; i++)
                                       ajaxData.append("imgfile", looseFiles[i]);
 
                                   $.ajax({
@@ -345,15 +351,12 @@ if (fso.FolderExists(params.AttachPath))
       {
           var fileString = "";
           var files = fileInput.files;
-          if (files)
-          {
-              for (var i = 0; i < files.length; i++) {
-                if (i != 0) fileString += "\n";
-                fileString += safeFilename(files[i].name);
-              }
+          var loopNames = isMultiple ? files.length : (files.length ? 1 : 0);
+
+          for (var i = 0; i < loopNames; i++) {
+            if (i != 0) fileString += "\n";
+            fileString += safeFilename(files[i].name);
           }
-          else if (fileInput.value)     // IE
-              fileString = fileInput.value;
 
           document.getElementById("displayFilename").innerText = fileString;
           FcltMgr.resized();
@@ -370,7 +373,7 @@ if (fso.FolderExists(params.AttachPath))
 
       function Sluiten()
       {
-        var unUploadedFiles = (looseFiles.length ? looseFiles : document.forms.u2.imgfile.files).length;
+        var unUploadedFiles = (looseFiles.length ? looseFiles.length : (document.forms.u2.imgfile ? document.forms.u2.imgfile.files.length : 0));
         FcltMgr.confirm(L("lcl_shared_unfinished_uploads"),
                           { autoconfirm: !unUploadedFiles,
                             fncancel: function() { /* geen actie bij confirm=cancel */ }