diff --git a/libc/arch-arm/arm.mk b/libc/arch-arm/arm.mk
index b5283f6..58c5eb6 100644
--- a/libc/arch-arm/arm.mk
+++ b/libc/arch-arm/arm.mk
@@ -39,6 +39,7 @@
     arch-arm/bionic/__bionic_clone.S \
     arch-arm/bionic/_exit_with_stack_teardown.S \
     arch-arm/bionic/libgcc_compat.c \
+    arch-arm/bionic/popcount_tab.c \
     arch-arm/bionic/__restore.S \
     arch-arm/bionic/setjmp.S \
     arch-arm/bionic/syscall.S \