diff --git a/Framework/DataInspector/src/DataInspector.cxx b/Framework/DataInspector/src/DataInspector.cxx
index a38b173cdd22b..b948d969f4d10 100644
--- a/Framework/DataInspector/src/DataInspector.cxx
+++ b/Framework/DataInspector/src/DataInspector.cxx
@@ -44,7 +44,7 @@
 
 using namespace rapidjson;
 
-namespace o2::framework::DataInspector
+namespace o2::framework::data_inspector
 {
 #if BOOST_ENDIAN_BIG_BYTE
 static const auto endianness = "BIG";
@@ -147,4 +147,4 @@ std::vector<DIMessage> serializeO2Messages(const std::vector<DataRef>& refs, con
 
   return messages;
 }
-} // namespace o2::framework::DataInspector
+} // namespace o2::framework::data_inspector
diff --git a/Framework/DataInspector/src/DataInspector.h b/Framework/DataInspector/src/DataInspector.h
index 27c9987a45081..5e28f6bb3853b 100644
--- a/Framework/DataInspector/src/DataInspector.h
+++ b/Framework/DataInspector/src/DataInspector.h
@@ -20,7 +20,7 @@
 
 #include <cstring>
 
-namespace o2::framework::DataInspector
+namespace o2::framework::data_inspector
 {
 inline bool isNonInternalDevice(const DeviceSpec& spec)
 {
@@ -28,6 +28,6 @@ inline bool isNonInternalDevice(const DeviceSpec& spec)
 }
 
 std::vector<DIMessage> serializeO2Messages(const std::vector<DataRef>& refs, const std::string& deviceName);
-} // namespace o2::framework::DataInspector
+} // namespace o2::framework::data_inspector
 
 #endif // O2_DATAINSPECTOR_H