diff --git a/ext/openssl/extconf.rb b/ext/openssl/extconf.rb
index 48a1680e8d..bcce422842 100644
--- a/ext/openssl/extconf.rb
+++ b/ext/openssl/extconf.rb
@@ -123,6 +123,7 @@ version_ok = if have_macro("LIBRESSL_VERSION_NUMBER", "openssl/opensslv.h")
   checking_for("LibreSSL version >= 3.9.0") {
     try_static_assert("LIBRESSL_VERSION_NUMBER >= 0x30900000L", "openssl/opensslv.h") }
 else
+  is_openssl = true
   checking_for("OpenSSL version >= 1.0.2") {
     try_static_assert("OPENSSL_VERSION_NUMBER >= 0x10002000L", "openssl/opensslv.h") }
 end
@@ -143,11 +144,13 @@ ssl_h = "openssl/ssl.h".freeze
 
 # compile options
 have_func("RAND_egd()", "openssl/rand.h")
-engines = %w{dynamic 4758cca aep atalla chil
-             cswift nuron sureware ubsec padlock capi gmp gost cryptodev}
-engines.each { |name|
-  have_func("ENGINE_load_#{name}()", "openssl/engine.h")
-}
+if is_openssl
+  engines = %w{dynamic 4758cca aep atalla chil
+               cswift nuron sureware ubsec padlock capi gmp gost cryptodev}
+  engines.each { |name|
+    have_func("ENGINE_load_#{name}()", "openssl/engine.h")
+  }
+end
 
 # added in 1.1.0
 if !have_struct_member("SSL", "ctx", "openssl/ssl.h") || is_libressl
diff --git a/ext/openssl/ossl_engine.c b/ext/openssl/ossl_engine.c
index f19be7f495..bf9b50c4c8 100644
--- a/ext/openssl/ossl_engine.c
+++ b/ext/openssl/ossl_engine.c
@@ -47,7 +47,7 @@ static VALUE eEngineError;
 /*
  * Private
  */
-#if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10100000
+#if OSSL_OPENSSL_PREREQ(1, 1, 0)
 #define OSSL_ENGINE_LOAD_IF_MATCH(engine_name, x) \
 do{\
   if(!strcmp(#engine_name, RSTRING_PTR(name))){\
@@ -163,7 +163,7 @@ ossl_engine_s_load(int argc, VALUE *argv, VALUE klass)
 static VALUE
 ossl_engine_s_cleanup(VALUE self)
 {
-#if defined(LIBRESSL_VERSION_NUMBER) || OPENSSL_VERSION_NUMBER < 0x10100000
+#if !OSSL_OPENSSL_PREREQ(1, 1, 0)
     ENGINE_cleanup();
 #endif
     return Qnil;