diff --git a/src/preferences/3drendering/CapabilitiesView.h b/src/preferences/3drendering/CapabilitiesView.h
index 6e84c53f21..d0af5e2cb9 100644
--- a/src/preferences/3drendering/CapabilitiesView.h
+++ b/src/preferences/3drendering/CapabilitiesView.h
@@ -8,9 +8,8 @@
 
 #include <ColumnListView.h>
 #include <ColumnTypes.h>
-#include <GroupView.h>
-
 #include <GL/gl.h>
+#include <GroupView.h>
 
 
 class CapabilitiesView : public BGroupView {
diff --git a/src/preferences/3drendering/OpenGLApp.h b/src/preferences/3drendering/OpenGLApp.h
index 64bc06fb15..36198f4576 100644
--- a/src/preferences/3drendering/OpenGLApp.h
+++ b/src/preferences/3drendering/OpenGLApp.h
@@ -8,6 +8,7 @@
 
 #include <Application.h>
 #include <Catalog.h>
+
 #include "OpenGLWindow.h"
 
 
diff --git a/src/preferences/3drendering/OpenGLWindow.h b/src/preferences/3drendering/OpenGLWindow.h
index 916f823f6e..2446214433 100644
--- a/src/preferences/3drendering/OpenGLWindow.h
+++ b/src/preferences/3drendering/OpenGLWindow.h
@@ -7,6 +7,7 @@
 
 
 #include <Window.h>
+
 #include "OpenGLView.h"