diff --git a/src/qibocal/protocols/characterization/allxy/allxy_drag_pulse_tuning.py b/src/qibocal/protocols/characterization/allxy/allxy_drag_pulse_tuning.py
index cb13fe167..a4ed737e9 100644
--- a/src/qibocal/protocols/characterization/allxy/allxy_drag_pulse_tuning.py
+++ b/src/qibocal/protocols/characterization/allxy/allxy_drag_pulse_tuning.py
@@ -94,7 +94,9 @@ def _acquisition(
                 # store the results
                 gate = "-".join(gates)
                 data.register_qubit(
-                    allxy.AllXYType, (qubit, beta_param), dict(prob=z_proj, gate=gate)
+                    allxy.AllXYType,
+                    (qubit, beta_param),
+                    dict(prob=np.array([z_proj]), gate=np.array([gate])),
                 )
     return data
 
diff --git a/src/qibocal/protocols/characterization/allxy/drag_pulse_tuning.py b/src/qibocal/protocols/characterization/allxy/drag_pulse_tuning.py
index c5e5681da..0e2e0b603 100644
--- a/src/qibocal/protocols/characterization/allxy/drag_pulse_tuning.py
+++ b/src/qibocal/protocols/characterization/allxy/drag_pulse_tuning.py
@@ -143,8 +143,8 @@ def _acquisition(
                 DragPulseTuningType,
                 (qubit),
                 dict(
-                    signal=r1.magnitude - r2.magnitude,
-                    beta=beta_param,
+                    signal=np.array([r1.magnitude - r2.magnitude]),
+                    beta=np.array([beta_param]),
                 ),
             )