diff --git a/libc/arch-riscv64/string/memmove.c b/libc/arch-riscv64/string/memmove.c
new file mode 100644
index 0000000..e9bb2c2
--- /dev/null
+++ b/libc/arch-riscv64/string/memmove.c
@@ -0,0 +1,2 @@
+#define	MEMMOVE
+#include "bcopy.c"