diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4f41f4c3..df1dfe63 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1138,6 +1138,7 @@ IF(SDL2_FOUND)
         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/sdl2.c)
         SET(BACKENDS  "${BACKENDS} SDL2,")
         SET(EXTRA_LIBS ${SDL2_LIBRARY} ${EXTRA_LIBS})
+        SET(INC_PATHS ${INC_PATHS} ${SDL2_INCLUDE_DIR})
     ENDIF()
 ENDIF()
 IF(ALSOFT_REQUIRE_SDL2 AND NOT SDL2_FOUND)