diff --git a/rmbg_tools.py b/rmbg_tools.py
index b7ee535..ee2f212 100644
--- a/rmbg_tools.py
+++ b/rmbg_tools.py
@@ -58,7 +58,7 @@ def estimate_bg_color_from_border(img_lab: np.ndarray, border_width: int = BORDE
 
     print(f"[estimate_bg_color] inlier_ratio={inlier_ratio:.3f} (thresh={inlier_thresh})")
 
-    if inlier_ratio < 0.6:  # At least 60% of the border should be background
+    if inlier_ratio < 0.5:  # At least 50% of the border should be background
         print("[estimate_bg_color] inlier ratio too low, reject.")
         return bg_color.astype(np.float32), False, 10.0
 
@@ -259,4 +259,4 @@ class MOD_RMBG_NODE:
         tensor_out = ndarray2tensor(rgba)
         tensor_fg_mask = ndarray2tensor(fg_mask)
         tensor_bg_mask = ndarray2tensor(bg_mask_vis)
-        return (tensor_out, tensor_fg_mask, tensor_bg_mask,)
\ No newline at end of file
+        return (tensor_out, tensor_fg_mask, tensor_bg_mask,)