diff --git a/crypto/uid.c b/crypto/uid.c
index 9756d51850..4e1890f2d2 100644
--- a/crypto/uid.c
+++ b/crypto/uid.c
@@ -19,7 +19,7 @@ int OPENSSL_issetugid(void)
     return issetugid();
 }
 
-#elif defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VXWORKS)
+#elif defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI)
 
 int OPENSSL_issetugid(void)
 {
diff --git a/e_os.h b/e_os.h
index f255aa9c22..241e0bac54 100644
--- a/e_os.h
+++ b/e_os.h
@@ -87,7 +87,7 @@ extern "C" {
 #  define DEVRANDOM_EGD "/var/run/egd-pool","/dev/egd-pool","/etc/egd-pool","/etc/entropy"
 # endif
 
-# if defined(OPENSSL_SYS_VXWORKS)
+# if defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI)
 #  define NO_SYS_PARAM_H
 #  define NO_CHMOD
 #  define NO_SYSLOG