diff --git a/src/phys.c b/src/phys.c
index e5c12644..a295db2b 100644
--- a/src/phys.c
+++ b/src/phys.c
@@ -746,7 +746,7 @@ struct phys_mouse_joint phys_mouse_joint_from_def(struct phys_mouse_joint_def de
     res.point_local_end = def.point_local_end;
     res.linear_spring_hz = def.linear_spring_hz;
     res.linear_spring_damp = def.linear_spring_damp;
-    res.angular_spring_hz = def.linear_spring_hz;
+    res.angular_spring_hz = def.angular_spring_hz;
     res.angular_spring_damp = def.angular_spring_damp;
     res.max_force = def.max_force;
     return res;