diff --git a/drivers/sdl/SDL_build_config_private.h b/drivers/sdl/SDL_build_config_private.h
index 7c18933e13f..ed0cc09c5ba 100644
--- a/drivers/sdl/SDL_build_config_private.h
+++ b/drivers/sdl/SDL_build_config_private.h
@@ -81,6 +81,7 @@
 #define SDL_PLATFORM_UNIX 1
 
 #define HAVE_STDIO_H 1
+#define HAVE_LIBC 1
 #define HAVE_LINUX_INPUT_H 1
 #define HAVE_POLL 1