diff --git a/libc/arch-x86_64/string/sse2-memmove-slm.S b/libc/arch-x86_64/string/sse2-memmove-slm.S
index 6a5afd6..7395028 100644
--- a/libc/arch-x86_64/string/sse2-memmove-slm.S
+++ b/libc/arch-x86_64/string/sse2-memmove-slm.S
@@ -67,6 +67,12 @@
 	cfi_startproc
 #endif
 
+#ifndef ALIAS_SYMBOL
+# define ALIAS_SYMBOL(alias, original) \
+	.globl alias; \
+	.equ alias, original
+#endif
+
 #ifndef END
 # define END(name)		\
 	cfi_endproc;		\
@@ -508,3 +514,5 @@
 	jmp	L(mm_recalc_len)
 
 END (MEMMOVE)
+
+ALIAS_SYMBOL(memcpy, MEMMOVE)