diff --git a/csaxs_bec/devices/omny/rt/rt_lamni_ophyd.py b/csaxs_bec/devices/omny/rt/rt_lamni_ophyd.py
index 7c50047..53c6e4f 100644
--- a/csaxs_bec/devices/omny/rt/rt_lamni_ophyd.py
+++ b/csaxs_bec/devices/omny/rt/rt_lamni_ophyd.py
@@ -186,7 +186,8 @@ class RtLamniController(Controller):
         def send_positions(parent, positions):
             parent._min_scan_buffer_reached = False
             for pos_index, pos in enumerate(positions):
-                parent.socket_put_and_receive(f"s{pos[0]:.05f},{pos[1]:.05f},0")
+                cmd = f"s{pos[0]:.05f},{pos[1]:.05f},0"
+                parent.socket_put_and_receive(cmd)                
                 if pos_index > 100:
                     parent._min_scan_buffer_reached = True
             parent._min_scan_buffer_reached = True
diff --git a/csaxs_bec/scans/LamNIFermatScan.py b/csaxs_bec/scans/LamNIFermatScan.py
index 06fe62c..3a209e5 100644
--- a/csaxs_bec/scans/LamNIFermatScan.py
+++ b/csaxs_bec/scans/LamNIFermatScan.py
@@ -339,7 +339,7 @@ class LamNIFermatScan(ScanBase, LamNIMixin):
 
     def _transfer_positions_to_LamNI(self):
         yield from self.stubs.send_rpc_and_wait(
-            "rtx", "controller.add_pos_to_scan", (self.positions.tolist(),)
+            "rtx", "controller.add_pos_to_scan", self.positions.tolist()
         )
 
     def _calculate_positions(self):