diff --git a/src/qibolab/instruments/qm/config.py b/src/qibolab/instruments/qm/config.py
index 430ea13175..d8626ec9af 100644
--- a/src/qibolab/instruments/qm/config.py
+++ b/src/qibolab/instruments/qm/config.py
@@ -341,19 +341,27 @@ def register_integration_weights(self, qubit, readout_len):
             readout_len (int): Duration of the readout pulse in ns.
         """
         angle = 0
+        cos, sin = np.cos(angle), np.sin(angle)
+        if qubit.kernel is None:
+            convert = lambda x: [(x, readout_len)]
+        else:
+            cos = qubit.kernel * cos
+            sin = qubit.kernel * sin
+            convert = lambda x: x
+
         self.integration_weights.update(
             {
                 f"cosine_weights{qubit.name}": {
-                    "cosine": [(np.cos(angle), readout_len)],
-                    "sine": [(-np.sin(angle), readout_len)],
+                    "cosine": convert(cos),
+                    "sine": convert(-sin),
                 },
                 f"sine_weights{qubit.name}": {
-                    "cosine": [(np.sin(angle), readout_len)],
-                    "sine": [(np.cos(angle), readout_len)],
+                    "cosine": convert(sin),
+                    "sine": convert(cos),
                 },
                 f"minus_sine_weights{qubit.name}": {
-                    "cosine": [(-np.sin(angle), readout_len)],
-                    "sine": [(-np.cos(angle), readout_len)],
+                    "cosine": convert(-sin),
+                    "sine": convert(-cos),
                 },
             }
         )
diff --git a/src/qibolab/instruments/qm/controller.py b/src/qibolab/instruments/qm/controller.py
index 97b5bb9c1d..d85abc0426 100644
--- a/src/qibolab/instruments/qm/controller.py
+++ b/src/qibolab/instruments/qm/controller.py
@@ -128,7 +128,7 @@ class QMController(Controller):
     """Smearing used for hardware signal integration."""
     calibration_path: Optional[str] = None
     """Path to the JSON file that contains the mixer calibration."""
-    script_file_name: Optional[str] = "qua_script.py"
+    script_file_name: Optional[str] = None
     """Name of the file that the QUA program will dumped in that after every
     execution.