diff --git a/ProcessLib/SteadyStateDiffusion/CreateSteadyStateDiffusion.h b/ProcessLib/SteadyStateDiffusion/CreateSteadyStateDiffusion.h
index 19a3cdd70150aec8eebec4015ee8abc712cfa916..8639dff6b022e482c9ab898ba58098ae806aba3a 100644
--- a/ProcessLib/SteadyStateDiffusion/CreateSteadyStateDiffusion.h
+++ b/ProcessLib/SteadyStateDiffusion/CreateSteadyStateDiffusion.h
@@ -11,6 +11,7 @@
 #pragma once
 
 #include <memory>
+
 #include "ProcessLib/Process.h"
 
 namespace MaterialPropertyLib
@@ -33,5 +34,5 @@ std::unique_ptr<Process> createSteadyStateDiffusion(
     std::vector<std::unique_ptr<MeshLib::Mesh>> const& meshes,
     std::map<int, std::shared_ptr<MaterialPropertyLib::Medium>> const& media);
 
-}   // namespace SteadyStateDiffusion
-}   // namespace ProcessLib
+}  // namespace SteadyStateDiffusion
+}  // namespace ProcessLib
diff --git a/ProcessLib/SteadyStateDiffusion/SteadyStateDiffusion.h b/ProcessLib/SteadyStateDiffusion/SteadyStateDiffusion.h
index cd8a86a81f00be613304602420dff754b9ad6a33..49570a9c625667a348ac5dc0c6a202ce9861ae7f 100644
--- a/ProcessLib/SteadyStateDiffusion/SteadyStateDiffusion.h
+++ b/ProcessLib/SteadyStateDiffusion/SteadyStateDiffusion.h
@@ -12,9 +12,9 @@
 
 #include "NumLib/DOF/LocalToGlobalIndexMap.h"
 #include "ProcessLib/Process.h"
-#include "SteadyStateDiffusionFEM.h"
-#include "SteadyStateDiffusionData.h"
 #include "ProcessLib/SurfaceFlux/SurfaceFluxData.h"
+#include "SteadyStateDiffusionData.h"
+#include "SteadyStateDiffusionFEM.h"
 
 namespace ProcessLib
 {
@@ -111,4 +111,4 @@ private:
 };
 
 }  // namespace SteadyStateDiffusion
-}   // namespace ProcessLib
+}  // namespace ProcessLib
diff --git a/ProcessLib/SteadyStateDiffusion/SteadyStateDiffusionData.h b/ProcessLib/SteadyStateDiffusion/SteadyStateDiffusionData.h
index 74cc2fc1c622264765bffdd88219acd9419cdc89..257a955d3d56fda7da5f4c0d730701101b6eec69 100644
--- a/ProcessLib/SteadyStateDiffusion/SteadyStateDiffusionData.h
+++ b/ProcessLib/SteadyStateDiffusion/SteadyStateDiffusionData.h
@@ -11,6 +11,7 @@
 #pragma once
 
 #include <memory>
+
 #include "MaterialLib/MPL/MaterialSpatialDistributionMap.h"
 
 namespace ProcessLib
@@ -26,5 +27,5 @@ struct SteadyStateDiffusionData final
     MaterialPropertyLib::MaterialSpatialDistributionMap media_map;
 };
 
-} // namespace SteadyStateDiffusion
-} // namespace ProcessLib
+}  // namespace SteadyStateDiffusion
+}  // namespace ProcessLib