diff --git a/libc/Android.bp b/libc/Android.bp
index c101f45..99261f9 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -827,6 +827,7 @@
         riscv64: {
             srcs: [
                "arch-riscv64/string/__memset_chk.S",
+               "arch-riscv64/string/__memcpy_chk.S",
             ],
         },
     },
@@ -2307,6 +2308,11 @@
                 "arch-arm64/string/__memcpy_chk.S",
             ],
         },
+        riscv64: {
+            srcs: [
+               "arch-riscv64/string/__memcpy_chk.S",
+            ],
+        },
     },
     whole_static_libs: [
         "libarm-optimized-routines-mem",