diff --git a/spatialmath/base/transforms3d.py b/spatialmath/base/transforms3d.py
index 08d3be26..04f9e1b8 100644
--- a/spatialmath/base/transforms3d.py
+++ b/spatialmath/base/transforms3d.py
@@ -752,7 +752,7 @@ def angvec2r(theta: float, v: ArrayLike3, unit="rad", tol: float = 20) -> SO3Arr
     if np.linalg.norm(v) < tol * _eps:
         return np.eye(3)
 
-    θ = getunit(theta, unit)
+    θ = getunit(theta, unit, vector=False)
 
     # Rodrigue's equation