diff --git a/contrib/ruby/ext/trilogy-ruby/extconf.rb b/contrib/ruby/ext/trilogy-ruby/extconf.rb
index db5a5f29..7897bf0d 100644
--- a/contrib/ruby/ext/trilogy-ruby/extconf.rb
+++ b/contrib/ruby/ext/trilogy-ruby/extconf.rb
@@ -12,7 +12,7 @@
 $objs = %w[trilogy.o cast.o cext.o]
 append_cflags(["-I #{__dir__}/inc", "-std=gnu99", "-fvisibility=hidden"])
 
-dir_config("openssl")
+dir_config("openssl").any? || pkg_config("openssl")
 
 have_library("crypto", "CRYPTO_malloc")
 have_library("ssl", "SSL_new")