diff --git a/manim/mobject/svg/svg_mobject.py b/manim/mobject/svg/svg_mobject.py
index bd494c0211..da37486ce4 100644
--- a/manim/mobject/svg/svg_mobject.py
+++ b/manim/mobject/svg/svg_mobject.py
@@ -327,6 +327,11 @@ def apply_style_to_mobject(mob: VMobject, shape: se.GraphicObject) -> VMobject:
         shape
             The parsed SVG element.
         """
+        if shape.stroke.hexrgb is not None and (
+            shape.stroke_width is None or shape.stroke_width == 0.0
+        ):
+            shape.stroke_width = 1.0
+
         mob.set_style(
             stroke_width=shape.stroke_width,
             stroke_color=shape.stroke.hexrgb,