diff --git a/bundler/lib/bundler/rubygems_ext.rb b/bundler/lib/bundler/rubygems_ext.rb
index 056053a78325..9b8455d0fca7 100644
--- a/bundler/lib/bundler/rubygems_ext.rb
+++ b/bundler/lib/bundler/rubygems_ext.rb
@@ -259,7 +259,7 @@ def ===(other)
           # version
           (
             (@os != "linux" && (@version.nil? || other.version.nil?)) ||
-            (@os == "linux" && ((@version.nil? && ["gnu", "musl"].include?(other.version)) || (@version == "gnu" && other.version.nil?))) ||
+            (@os == "linux" && (other.version == "gnu#{@version}" || other.version == "musl#{@version}" || @version == "gnu#{other.version}")) ||
             @version == other.version
           )
       end