diff --git a/libretro-common/string/stdstring.c b/libretro-common/string/stdstring.c
index 50c35dde8d..67ee7fc9a2 100644
--- a/libretro-common/string/stdstring.c
+++ b/libretro-common/string/stdstring.c
@@ -22,6 +22,7 @@
 
 #include <stdint.h>
 #include <ctype.h>
+#include <string.h>
 
 #include <string/stdstring.h>
 #include <encodings/utf.h>