diff --git a/src/qibocal/protocols/flipping.py b/src/qibocal/protocols/flipping.py
index d1c79de3d..61d76cbcf 100644
--- a/src/qibocal/protocols/flipping.py
+++ b/src/qibocal/protocols/flipping.py
@@ -152,8 +152,8 @@ def _acquisition(
                 if rx90
                 else platform.natives.single_qubit[qubit].RX[0][1].amplitude
             )
-            for qubit in targets,
-        }
+            for qubit in targets
+        },
         rx90=params.rx90,
     )