diff --git a/include/openssl/cpu.h b/include/openssl/cpu.h
index bda5347..19e11d0 100644
--- a/include/openssl/cpu.h
+++ b/include/openssl/cpu.h
@@ -95,6 +95,11 @@
 
 #if defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64)
 
+#if defined(OPENSSL_APPLE)
+/* iOS builds use the static ARM configuration. */
+#define OPENSSL_STATIC_ARMCAP
+#endif
+
 #if !defined(OPENSSL_STATIC_ARMCAP)
 
 /* CRYPTO_is_NEON_capable returns true if the current CPU has a NEON unit. Note