diff --git a/desktop_version/CMakeLists.txt b/desktop_version/CMakeLists.txt
index ad974dd6..3f69743f 100644
--- a/desktop_version/CMakeLists.txt
+++ b/desktop_version/CMakeLists.txt
@@ -197,7 +197,7 @@ TARGET_LINK_LIBRARIES(VVVVVV physfs-static tinyxml2-static lodepng-static)
 # SDL2 Dependency (Detection pulled from FAudio)
 if (DEFINED SDL2_INCLUDE_DIRS AND DEFINED SDL2_LIBRARIES)
 	message(STATUS "Using pre-defined SDL2 variables SDL2_INCLUDE_DIRS and SDL2_LIBRARIES")
-	target_include_directories(VVVVVV PUBLIC "$<BUILD_INTERFACE:${SDL2_INCLUDE_DIRS}>")
+	target_include_directories(VVVVVV SYSTEM PUBLIC "$<BUILD_INTERFACE:${SDL2_INCLUDE_DIRS}>")
 	target_link_libraries(VVVVVV ${SDL2_LIBRARIES})
 else()
 	# Only try to autodetect if both SDL2 variables aren't explicitly set
@@ -211,7 +211,7 @@ else()
 	else()
 		message(STATUS "No TARGET SDL2::SDL2, or SDL2, using variables")
 		find_path(SDL2_MIXER_INCLUDE_DIRS NAMES SDL_mixer.h PATH_SUFFIXES SDL2)
-		target_include_directories(VVVVVV PUBLIC "$<BUILD_INTERFACE:${SDL2_INCLUDE_DIRS}>" ${SDL2_MIXER_INCLUDE_DIRS})
+		target_include_directories(VVVVVV SYSTEM PUBLIC "$<BUILD_INTERFACE:${SDL2_INCLUDE_DIRS}>" ${SDL2_MIXER_INCLUDE_DIRS})
 		target_link_libraries(VVVVVV ${SDL2_LIBRARIES} SDL2_mixer)
 	endif()
 endif()