diff --git a/Detectors/ITSMFT/ITS/tracking/include/ITStracking/Constants.h b/Detectors/ITSMFT/ITS/tracking/include/ITStracking/Constants.h
index 79f55192081db..92255f0841159 100644
--- a/Detectors/ITSMFT/ITS/tracking/include/ITStracking/Constants.h
+++ b/Detectors/ITSMFT/ITS/tracking/include/ITStracking/Constants.h
@@ -78,7 +78,7 @@ GPU_HOST_DEVICE constexpr GPUArray<float, LayersNumber> InverseZBinSize()
                                         0.5f * ZBins / (zSize[3]), 0.5f * ZBins / (zSize[4]), 0.5f * ZBins / (zSize[5]),
                                         0.5f * ZBins / (zSize[6])}};
 }
-}
+} // namespace its2
 
 namespace pdgcodes
 {