diff --git a/src/platform/sdl/CMakeLists.txt b/src/platform/sdl/CMakeLists.txt
index 94ba32492..88510b37b 100644
--- a/src/platform/sdl/CMakeLists.txt
+++ b/src/platform/sdl/CMakeLists.txt
@@ -41,7 +41,7 @@ set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS},libsdl${SDL_VE
 
 file(GLOB PLATFORM_SRC ${CMAKE_SOURCE_DIR}/src/platform/sdl/sdl-*.c)
 set(PLATFORM_LIBRARY ${SDL_LIBRARY} ${SDLMAIN_LIBRARY} ${PIXMAN-1_LIBRARIES})
-include_directories(${CMAKE_SOURCE_DIR}/src/platform/sdl ${PIXMAN-1_INCLUDE_DIR} ${SDL_INCLUDE_DIR})
+include_directories(${CMAKE_SOURCE_DIR}/src/platform/sdl ${PIXMAN-1_INCLUDE_DIRS} ${SDL_INCLUDE_DIR})
 
 set(SDL_INCLUDE_DIR "${SDL_INCLUDE_DIR}" PARENT_SCOPE)
 set(SDL_LIBRARY "${SDL_LIBRARY}" PARENT_SCOPE)