diff --git a/manim/mobject/opengl/opengl_vectorized_mobject.py b/manim/mobject/opengl/opengl_vectorized_mobject.py
index df2471f5f1..b06e6e1e83 100644
--- a/manim/mobject/opengl/opengl_vectorized_mobject.py
+++ b/manim/mobject/opengl/opengl_vectorized_mobject.py
@@ -279,7 +279,10 @@ def set_stroke(
 
         if width is not None:
             for mob in self.get_family(recurse):
-                mob.stroke_width = np.array([[width] for width in tuplify(width)])
+                if isinstance(width, np.ndarray):
+                    mob.stroke_width = width
+                else:
+                    mob.stroke_width = np.array([[width] for width in tuplify(width)])
 
         if background is not None:
             for mob in self.get_family(recurse):