diff --git a/compiler-rt/lib/builtins/cpu_model.c b/compiler-rt/lib/builtins/cpu_model.c
index e377d6458a0f72..ce5f7291035f22 100644
--- a/compiler-rt/lib/builtins/cpu_model.c
+++ b/compiler-rt/lib/builtins/cpu_model.c
@@ -921,6 +921,9 @@ _Bool __aarch64_have_lse_atomics
 #define AT_HWCAP 16
 #endif
 
+#ifndef HWCAP_CPUID
+#define HWCAP_CPUID (1 << 11)
+#endif
 #ifndef HWCAP_FP
 #define HWCAP_FP (1 << 0)
 #endif