diff --git a/src/qibocal/protocols/flipping.py b/src/qibocal/protocols/flipping.py
index 4132a9e08..f0811cb3b 100644
--- a/src/qibocal/protocols/flipping.py
+++ b/src/qibocal/protocols/flipping.py
@@ -146,13 +146,14 @@ def _acquisition(
     data = FlippingData(
         resonator_type=platform.resonator_type,
         delta_amplitude=params.delta_amplitude,
-        pulse_amplitudes={
-            if rx90:
-                qubit: platform.natives.single_qubit[qubit].RX90[0][1].amplitude
-            else:
-                qubit: platform.natives.single_qubit[qubit].RX[0][1].amplitude
+        pulse_amplitudes = {
+            qubit: (
+                platform.natives.single_qubit[qubit].RX90[0][1].amplitude
+                if rx90
+                else platform.natives.single_qubit[qubit].RX[0][1].amplitude
+            )
             for qubit in targets
-        },
+        }
         rx90=params.rx90,
     )