diff --git a/app/settings/tools/settingstools.h b/app/settings/tools/settingstools.h
index 63e79cfec..8594629eb 100644
--- a/app/settings/tools/settingstools.h
+++ b/app/settings/tools/settingstools.h
@@ -18,6 +18,9 @@
  *
  */
 
+#ifndef SETTINGSTOOLS_H
+#define SETTINGSTOOLS_H
+
 // Qt
 #include <QPalette>
 #include <QStyleOptionViewItem>
@@ -28,3 +31,5 @@ bool isSelected(const QStyleOptionViewItem &option);
 QPalette::ColorGroup colorGroup(const QStyleOptionViewItem &option);
 
 }
+
+#endif
diff --git a/app/view/indicator/indicatorresources.cpp b/app/view/indicator/indicatorresources.cpp
index d024bdb6e..3f9d81733 100644
--- a/app/view/indicator/indicatorresources.cpp
+++ b/app/view/indicator/indicatorresources.cpp
@@ -17,8 +17,8 @@
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#include "indicator.h"
 #include "indicatorresources.h"
+#include "indicator.h"
 
 // Qt
 #include <QDebug>
diff --git a/liblatte2/commontools.h b/liblatte2/commontools.h
index ee61f93f8..1da1cb3f3 100644
--- a/liblatte2/commontools.h
+++ b/liblatte2/commontools.h
@@ -18,6 +18,9 @@
  *
  */
 
+#ifndef COMMONTOOLS_H
+#define COMMONTOOLS_H
+
 // Qt
 #include <QColor>
 
@@ -35,3 +38,5 @@ float colorLumina(float r, float g, float b);
 //! local paths have higher priority by default
 QString standardPath(QString subPath, bool localFirst = true);
 }
+
+#endif