diff --git a/libretro-common/file/archive_file.c b/libretro-common/file/archive_file.c
index 705a76c476..b2eafb159c 100644
--- a/libretro-common/file/archive_file.c
+++ b/libretro-common/file/archive_file.c
@@ -24,6 +24,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <compat/posix_string.h>
 #include <compat/strl.h>
 #include <file/archive_file.h>
 #include <file/file_path.h>