diff --git a/pyaml/tuning_tools/measurement_tool.py b/pyaml/tuning_tools/measurement_tool.py
index 09c3d7726..edec89e4a 100644
--- a/pyaml/tuning_tools/measurement_tool.py
+++ b/pyaml/tuning_tools/measurement_tool.py
@@ -58,6 +58,7 @@ def __init__(self, name):
 
     def _init_measure(self, measurement_type: str | None = None):
         # Initialize measurement data
+        # type is used there to be able to reload a measurement, typically a reponse matrix, using the PyAML factory.
         self._latest_measurement = {}
         if measurement_type is not None:
             self._latest_measurement["type"] = measurement_type
diff --git a/pyaml/tuning_tools/orbit_response_matrix.py b/pyaml/tuning_tools/orbit_response_matrix.py
index 064399d74..68d26fbac 100644
--- a/pyaml/tuning_tools/orbit_response_matrix.py
+++ b/pyaml/tuning_tools/orbit_response_matrix.py
@@ -123,7 +123,7 @@ def measure(
         idx = 0
         try:
             self._register_callback(callback)
-            self._init_measure()
+            self._init_measure("pyaml.tuning_tools.orbit_response_matrix_data")
             for code, measurement in generator:
                 callback_data = {"idx": idx, "response_data": measurement.response_data}
                 if code is ResponseCode.AFTER_SET:
@@ -156,7 +156,6 @@ def measure(
 
         orm_data = self._pySC_response_data_to_ORMData(measurement.response_data.model_dump())
         self.latest_measurement.update(orm_data.model_dump())
-        self.latest_measurement["type"] = "pyaml.tuning_tools.orbit_response_matrix_data"
 
         return True