1 files changed, 3 insertions, 0 deletions
diff --git a/lib/rubygems/dependency_resolver/api_specification.rb b/lib/rubygems/dependency_resolver/api_specification.rb
index 5ad07396cf..ae688780dd 100644
--- a/lib/rubygems/dependency_resolver/api_specification.rb
+++ b/lib/rubygems/dependency_resolver/api_specification.rb
@@ -8,6 +8,7 @@ class Gem::DependencyResolver::APISpecification
 
   attr_reader :dependencies
   attr_reader :name
+  attr_reader :platform
   attr_reader :set # :nodoc:
   attr_reader :version
 
@@ -15,6 +16,7 @@ class Gem::DependencyResolver::APISpecification
     @set = set
     @name = api_data[:name]
     @version = Gem::Version.new api_data[:number]
+    @platform = api_data[:platform]
     @dependencies = api_data[:dependencies].map do |name, ver|
       Gem::Dependency.new name, ver.split(/\s*,\s*/)
     end
@@ -25,6 +27,7 @@ class Gem::DependencyResolver::APISpecification
       @set          == other.set and
       @name         == other.name and
       @version      == other.version and
+      @platform     == other.platform and
       @dependencies == other.dependencies
   end