diff --git a/mmseg/models/segmentors/base.py b/mmseg/models/segmentors/base.py
index 6b4084c77e2cbd805adeec04744a6c32a4c8e27e..6f59dbc72ed91501aed9cab114cd13ebefea76e2 100644
--- a/mmseg/models/segmentors/base.py
+++ b/mmseg/models/segmentors/base.py
@@ -242,8 +242,7 @@ class BaseSegmentor(nn.Module):
                     0, 255, size=(len(self.CLASSES), 3))
             else:
                 palette = self.PALETTE
-        else:
-            palette = np.array(palette)
+        palette = np.array(palette)
         assert palette.shape[0] == len(self.CLASSES)
         assert palette.shape[1] == 3
         assert len(palette.shape) == 2