diff --git a/libretro-common/file/config_file.c b/libretro-common/file/config_file.c
index 0aa5077928..e1429f1f7d 100644
--- a/libretro-common/file/config_file.c
+++ b/libretro-common/file/config_file.c
@@ -43,6 +43,7 @@
 #include <file/file_path.h>
 #include <retro_stat.h>
 #include <lists/string_list.h>
+#include <string/stdstring.h>
 #include <rhash.h>
 
 #define MAX_INCLUDE_DEPTH 16