diff --git a/src/SFML/Window/CMakeLists.txt b/src/SFML/Window/CMakeLists.txt
index ae3d63d9c..b332b3510 100644
--- a/src/SFML/Window/CMakeLists.txt
+++ b/src/SFML/Window/CMakeLists.txt
@@ -66,13 +66,13 @@ else() # MACOSX
         ${SRCROOT}/OSX/cpp_objc_conversion.h
         ${SRCROOT}/OSX/cpp_objc_conversion.mm
         ${SRCROOT}/OSX/cg_sf_conversion.hpp
-        ${SRCROOT}/OSX/cg_sf_conversion.cpp
+        ${SRCROOT}/OSX/cg_sf_conversion.cpp
         ${SRCROOT}/OSX/InputImpl.mm
-        ${SRCROOT}/OSX/InputImpl.hpp
-        ${SRCROOT}/OSX/HIDInputManager.hpp
-        ${SRCROOT}/OSX/HIDInputManager.mm
-        ${SRCROOT}/OSX/HIDJoystickManager.hpp
-        ${SRCROOT}/OSX/HIDJoystickManager.cpp
+        ${SRCROOT}/OSX/InputImpl.hpp
+        ${SRCROOT}/OSX/HIDInputManager.hpp
+        ${SRCROOT}/OSX/HIDInputManager.mm
+        ${SRCROOT}/OSX/HIDJoystickManager.hpp
+        ${SRCROOT}/OSX/HIDJoystickManager.cpp
         ${SRCROOT}/OSX/JoystickImpl.cpp
         ${SRCROOT}/OSX/JoystickImpl.hpp
         ${SRCROOT}/OSX/SFApplication.h
@@ -100,6 +100,9 @@ endif()
 find_package(OpenGL REQUIRED)
 if(LINUX)
     find_package(X11 REQUIRED)
+    if(NOT X11_Xrandr_FOUND)
+        message(FATAL_ERROR "Xrandr library not found")
+    endif()
 endif()
 
 # build the list of external libraries to link