diff --git a/src/backscattering_experimental_data/measurement.py b/src/backscattering_experimental_data/measurement.py
index 1815802..1feb502 100644
--- a/src/backscattering_experimental_data/measurement.py
+++ b/src/backscattering_experimental_data/measurement.py
@@ -95,13 +95,16 @@ class Measurement(Section):
         # Make sure that every component are unique (two scatterers can
         # be associated with the same component)
         for component in self.components:
+            unique = True
             for unique_component in unique_components:
                 if (
                     component.metadata.name
                     == unique_component.metadata.name
                 ):
+                    unique = False
                     continue  # already in the list
-            unique_components.append(component)
+            if unique:
+                unique_components.append(component)
 
         for component in unique_components:
             _ = component.to_hdf5(