diff --git a/Detectors/PHOS/calib/include/PHOSCalibWorkflow/PHOSRunbyrunCalibrator.h b/Detectors/PHOS/calib/include/PHOSCalibWorkflow/PHOSRunbyrunCalibrator.h
index 2a71027ed4aa1..9947de7078079 100644
--- a/Detectors/PHOS/calib/include/PHOSCalibWorkflow/PHOSRunbyrunCalibrator.h
+++ b/Detectors/PHOS/calib/include/PHOSCalibWorkflow/PHOSRunbyrunCalibrator.h
@@ -26,8 +26,9 @@
 
 using namespace o2::framework;
 
-namespace o2::framework {
-  struct ProcessingContext;
+namespace o2::framework
+{
+struct ProcessingContext;
 }
 
 namespace o2::phos