diff --git a/python/swiftest/swiftest/init_cond.py b/python/swiftest/swiftest/init_cond.py
index e0d3b749d..12f0ef6ed 100644
--- a/python/swiftest/swiftest/init_cond.py
+++ b/python/swiftest/swiftest/init_cond.py
@@ -305,8 +305,12 @@ def vec2xr(param, idvals, namevals, v1, v2, v3, v4, v5, v6, GMpl=None, Rpl=None,
     if ispl and rhill is None and param['RHILL_PRESENT'] == 'YES':
         print("rhill is required.")
         return None
-
+   
+    # Be sure we use the correct input format
+    old_out_form = param['OUT_FORM']
+    param['OUT_FORM'] = param['IN_FORM']
     clab, plab, tlab = swiftest.io.make_swiftest_labels(param)
+    param['OUT_FORM'] = old_out_form
     vec = np.vstack([v1, v2, v3, v4, v5, v6])
     if ispl:
         vec = np.vstack([vec, GMpl, Rpl])
diff --git a/python/swiftest/swiftest/simulation_class.py b/python/swiftest/swiftest/simulation_class.py
index 3a3834434..e28d31587 100644
--- a/python/swiftest/swiftest/simulation_class.py
+++ b/python/swiftest/swiftest/simulation_class.py
@@ -99,7 +99,7 @@ def addp(self, idvals, namevals, t1, t2, t3, t4, t5, t6, GMpl=None, Rpl=None, rh
         """
         t = self.param['T0']
 
-        dsnew = init_cond.vec2xr(self.param, idvals, namevales, t1, t2, t3, t4, t5, t6, GMpl, Rpl, rhill, Ip1, Ip2, Ip3, rotx, roty, rotz, t)
+        dsnew = init_cond.vec2xr(self.param, idvals, namevals, t1, t2, t3, t4, t5, t6, GMpl, Rpl, rhill, Ip1, Ip2, Ip3, rotx, roty, rotz, t)
         if dsnew is not None:
             self.ds = xr.combine_by_coords([self.ds, dsnew])
         return