diff --git a/modules/core.py b/modules/core.py
index 41a8ddef..8d521fb9 100644
--- a/modules/core.py
+++ b/modules/core.py
@@ -64,8 +64,10 @@ def get_previewer(device, latent_format):
             x_sample = einops.rearrange(x_sample, 'b c h w -> b h w c')
             x_sample = x_sample.cpu().numpy()[..., ::-1].copy().clip(0, 255).astype(np.uint8)
             for i, s in enumerate(x_sample):
-                cv2.imshow(f'Preview {i}', s)
-                cv2.setWindowTitle(f'Preview {i}', f'Preview {i}, [{step}/{total_steps}]')
+                flag = f'OpenCV Diffusion Preview {i}'
+                cv2.imshow(flag, s)
+                cv2.setWindowTitle(flag, f'Preview {i}, [{step}/{total_steps}]')
+                cv2.setWindowProperty(flag, cv2.WND_PROP_TOPMOST, 1)
                 cv2.waitKey(1)
 
     taesd.preview = preview_function