diff --git a/src/scope/utils.py b/src/scope/utils.py
index aae112e..4cf2200 100644
--- a/src/scope/utils.py
+++ b/src/scope/utils.py
@@ -376,8 +376,8 @@ def calc_rvs(v_sys, v_sys_measured, Kp, Kstar, phases):
     """
     v_sys_tot = v_sys + v_sys_measured  # total offset
     rv_planet = (
-        v_sys_tot + Kp * np.sin(2.0 * np.pi * phases) * 1e3
-    )  # input in km/s, convert to m/s
+        v_sys_tot + Kp * np.sin(2.0 * np.pi * phases)
+    ) * 1e3  # input in km/s, convert to m/s
 
     rv_star = (
         v_sys_measured - Kstar * np.sin(2.0 * np.pi * phases)