diff --git a/src/AjaxUploader.tsx b/src/AjaxUploader.tsx
index 7d10882e..e8fca7b8 100644
--- a/src/AjaxUploader.tsx
+++ b/src/AjaxUploader.tsx
@@ -67,8 +67,6 @@ class AjaxUploader extends Component<UploadProps> {
   };
 
   onFileDropOrPaste = async (e: React.DragEvent<HTMLDivElement> | ClipboardEvent) => {
-    e.preventDefault();
-
     if (e.type === 'dragover') {
       return;
     }
@@ -87,6 +85,10 @@ class AjaxUploader extends Component<UploadProps> {
       files = [...(clipboardData.files || [])];
     }
 
+    if (files.length > 0 || items.some(item => item.kind === 'file')) {
+      e.preventDefault();
+    }
+
     if (directory) {
       files = await traverseFileTree(Array.prototype.slice.call(items), (_file: RcFile) =>
         attrAccept(_file, this.props.accept),
diff --git a/tests/uploader.spec.tsx b/tests/uploader.spec.tsx
index a1c22fa7..5ba2a930 100644
--- a/tests/uploader.spec.tsx
+++ b/tests/uploader.spec.tsx
@@ -488,6 +488,42 @@ describe('uploader', () => {
 
       fireEvent.change(input, { target: { files } });
     });
+
+    it('should call preventDefault when paste contains files', () => {
+      const { container } = render(<Upload {...props} pastable />);
+      const input = container.querySelector('input')!;
+
+      const files = [new File([''], 'test.png', { type: 'image/png' })];
+
+      const preventDefaultSpy = jest.spyOn(Event.prototype, 'preventDefault');
+
+      fireEvent.paste(input, {
+        clipboardData: {
+          items: [{ kind: 'file' }],
+          files,
+        },
+      });
+
+      expect(preventDefaultSpy).toHaveBeenCalledTimes(1);
+      preventDefaultSpy.mockRestore();
+    });
+
+    it('should not call preventDefault when paste contains no files', () => {
+      const { container } = render(<Upload {...props} pastable />);
+      const input = container.querySelector('input')!;
+
+      const preventDefaultSpy = jest.spyOn(Event.prototype, 'preventDefault');
+
+      fireEvent.paste(input, {
+        clipboardData: {
+          items: [{ kind: 'string' }],
+          files: [],
+        },
+      });
+
+      expect(preventDefaultSpy).toHaveBeenCalledTimes(0);
+      preventDefaultSpy.mockRestore();
+    });
   });
 
   describe('directory uploader', () => {