diff --git a/vedo/transformations.py b/vedo/transformations.py
index 01fdedef..978021f0 100644
--- a/vedo/transformations.py
+++ b/vedo/transformations.py
@@ -423,7 +423,7 @@ def rotate(self, angle, axis=(1, 0, 0), point=(0, 0, 0), rad=False) -> Self:
             ```
             ![](https://vedo.embl.es/images/feats/rotate_axis.png)
         """
-        if all(axis == 0):
+        if np.all(axis == 0):
             return self
         if not angle:
             return self