diff --git a/libc/arch-arm/generic/generic.mk b/libc/arch-arm/generic/generic.mk
index c3a5aa5..e230003 100644
--- a/libc/arch-arm/generic/generic.mk
+++ b/libc/arch-arm/generic/generic.mk
@@ -4,3 +4,5 @@
 $(call libc-add-cpu-variant-src,STRCMP,arch-arm/generic/bionic/strcmp.S)
 $(call libc-add-cpu-variant-src,STRCPY,arch-arm/generic/bionic/strcpy.S)
 $(call libc-add-cpu-variant-src,STRLEN,arch-arm/generic/bionic/strlen.c)
+$(call libc-add-cpu-variant-src,__STRCAT_CHK,bionic/__strcat_chk.cpp)
+$(call libc-add-cpu-variant-src,__STRCPY_CHK,bionic/__strcpy_chk.cpp)