diff --git a/GUI/Model/Mask/MasksSet.cpp b/GUI/Model/Mask/MasksSet.cpp
index e8eb51d9c87936ce25b67d352890ae47f6b095e3..81799480752e4c01e9e78e7a942aafbbb6d36769 100644
--- a/GUI/Model/Mask/MasksSet.cpp
+++ b/GUI/Model/Mask/MasksSet.cpp
@@ -138,9 +138,9 @@ void MasksSet::readFrom(QXmlStreamReader* r, MessageService*)
         QString tag = r->name().toString();
 
         if (tag == Tag::Mask) {
-	    PolyItem<MasksCatalog> p;
+            PolyItem<MasksCatalog> p;
             p.readFrom(r);
-	    m_mask_items.emplace_item_back(p.releaseItem());
+            m_mask_items.emplace_item_back(p.releaseItem());
             XML::gotoEndElementOfTag(r, tag);
 
         } else
diff --git a/GUI/Model/Sample/CompoundItem.cpp b/GUI/Model/Sample/CompoundItem.cpp
index 4bf979a4acffa8cf14cca3f58c03af49b42214eb..73b3142fc63eb01d40079216ef0eba150a284eb4 100644
--- a/GUI/Model/Sample/CompoundItem.cpp
+++ b/GUI/Model/Sample/CompoundItem.cpp
@@ -86,9 +86,9 @@ void CompoundItem::readFrom(QXmlStreamReader* r)
 
             // particle
         } else if (tag == Tag::Particle) {
-	    PolyItem<ParticlesCatalog> p;
-	    p.readFrom(r, m_materials);
-	    m_particles.emplace_item_back(p.releaseItem());
+            PolyItem<ParticlesCatalog> p;
+            p.readFrom(r, m_materials);
+            m_particles.emplace_item_back(p.releaseItem());
             XML::gotoEndElementOfTag(r, tag);
 
             // compound groupbox: is expanded?
diff --git a/GUI/Model/Sample/ProfilesCatalogs.cpp b/GUI/Model/Sample/ProfilesCatalogs.cpp
index 4d2a47de5476b6e28ddaa79593035f36e9913adb..3c4aad17bbc72de171490e13aa16573a49d9f7eb 100644
--- a/GUI/Model/Sample/ProfilesCatalogs.cpp
+++ b/GUI/Model/Sample/ProfilesCatalogs.cpp
@@ -12,9 +12,9 @@
 //
 //  ************************************************************************************************
 
+#include "GUI/Model/Sample/ProfilesCatalogs.h"
 #include "Base/Util/Assert.h"
 #include "GUI/Model/Sample/ProfileItems.h"
-#include "GUI/Model/Sample/ProfilesCatalogs.h"
 
 Profile1DItemCatalog::BaseType* Profile1DItemCatalog::create(Type type)
 {