diff --git a/CMakeLists.txt b/CMakeLists.txt
index a850205df..c068fa011 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1348,7 +1348,7 @@ if(USE_X11)
 	)
 endif()
 if(USE_COCOA)
-	TARGET_LINK_LIBRARIES(openclonk "-framework Cocoa -framework AppKit -framework Quartz -framework OpenAL -framework AudioToolBox")
+	TARGET_LINK_LIBRARIES(openclonk "-framework Cocoa -framework AppKit -framework Quartz -framework OpenAL -framework AudioToolbox")
 endif()
 if (WIN32)
 	# CMake is too incompetent to check whether these libraries can be linked to
diff --git a/src/graphics/C4DrawGLMac.mm b/src/graphics/C4DrawGLMac.mm
index 6fd7f5607..e87501c2f 100644
--- a/src/graphics/C4DrawGLMac.mm
+++ b/src/graphics/C4DrawGLMac.mm
@@ -16,12 +16,12 @@
 #include <C4Include.h>
 #include <C4GraphicsSystem.h>
 #include <C4MouseControl.h>
-#include <C4GUI.h>
+#include <C4Gui.h>
 #include <C4Game.h>
 #include <C4Viewport.h>
 #include <C4ViewportWindow.h>
 #include <C4Console.h>
-#include <C4Fullscreen.h>
+#include <C4FullScreen.h>
 #include <C4PlayerList.h>
 #include <C4Gui.h>
 #include <C4Landscape.h>
diff --git a/src/platform/C4AppDelegate+MainMenuActions.mm b/src/platform/C4AppDelegate+MainMenuActions.mm
index cfe8faede..9227adf47 100644
--- a/src/platform/C4AppDelegate+MainMenuActions.mm
+++ b/src/platform/C4AppDelegate+MainMenuActions.mm
@@ -14,7 +14,7 @@
  */
 
 #include <C4Include.h>
-#include <C4Fullscreen.h>
+#include <C4FullScreen.h>
 #include <C4GraphicsSystem.h>
 #include <C4Viewport.h>
 #include <C4Console.h>
diff --git a/src/platform/C4WindowController.mm b/src/platform/C4WindowController.mm
index c3be1db1a..6d55f7a94 100644
--- a/src/platform/C4WindowController.mm
+++ b/src/platform/C4WindowController.mm
@@ -14,7 +14,7 @@
  */
 
 #include <C4Include.h>
-#include <C4Fullscreen.h>
+#include <C4FullScreen.h>
 #include <C4GraphicsSystem.h>
 #include <C4Viewport.h>
 #include <C4ViewportWindow.h>
diff --git a/src/platform/C4WindowMac.mm b/src/platform/C4WindowMac.mm
index 170bca50f..9530ce216 100644
--- a/src/platform/C4WindowMac.mm
+++ b/src/platform/C4WindowMac.mm
@@ -21,7 +21,7 @@
 #include <C4Rect.h>
 #include <C4FullScreen.h>
 
-#import <Appkit/AppKit.h>
+#import <AppKit/AppKit.h>
 #import <C4WindowController.h>
 #import <C4DrawGLMac.h>