diff --git a/libc/arch-riscv64/string/memcpy.c b/libc/arch-riscv64/string/memcpy.c
new file mode 100644
index 0000000..ee11504
--- /dev/null
+++ b/libc/arch-riscv64/string/memcpy.c
@@ -0,0 +1,2 @@
+#define	MEMCOPY
+#include "bcopy.c"