diff --git a/src/action/systems.rs b/src/action/systems.rs
index 1f29e12..5581cf8 100644
--- a/src/action/systems.rs
+++ b/src/action/systems.rs
@@ -37,10 +37,9 @@ fn rotate_point(pt: &Vec3, rot: &Quat) -> Vec3 {
 }
 
 pub(super) fn timestep_setup(mut config: ResMut<RapierConfiguration>) {
-    let ts = TimestepMode::Interpolated {
-        dt: 1.0 / 55.0,
-        time_scale: 1.0,
-        substeps: 16,
+    let ts = TimestepMode::Fixed {
+        dt: 1.0 / 60.0,
+        substeps: 2,
     };
     config.timestep_mode = ts;
 }