diff --git a/ext/win32/resolv/lib/resolv.rb b/ext/win32/resolv/lib/resolv.rb
index 226de7c..ef74a89 100644
--- a/ext/win32/resolv/lib/resolv.rb
+++ b/ext/win32/resolv/lib/resolv.rb
@@ -58,7 +58,7 @@ def read_s(key)
         end
       end
       using SZ
-    rescue LoadError
+    rescue LoadError, Gem::LoadError
       require "open3"
     end