diff --git a/include/string.h b/include/string.h
index 77159910f32..d6951a8a337 100644
--- a/include/string.h
+++ b/include/string.h
@@ -68,6 +68,7 @@ char	*strchr(const char *, int);
 int	 strcmp(const char *, const char *);
 int	 strcoll(const char *, const char *);
 char	*strcpy(char * __restrict, const char * __restrict);
+char	*stpcpy(char *, const char *);
 size_t	 strcspn(const char *, const char *);
 char	*strerror(int);
 size_t	 strlen(const char *);