diff --git a/lib/draper/decoratable.rb b/lib/draper/decoratable.rb
index 7b5e414..4f97f2f 100644
--- a/lib/draper/decoratable.rb
+++ b/lib/draper/decoratable.rb
@@ -21,7 +21,7 @@ module Draper::Decoratable
     false
   end
 
-  def ===(other)
+  def ==(other)
     super || (other.respond_to?(:source) && super(other.source))
   end
 
diff --git a/spec/draper/decoratable_spec.rb b/spec/draper/decoratable_spec.rb
index a894f60..cd063e8 100644
--- a/spec/draper/decoratable_spec.rb
+++ b/spec/draper/decoratable_spec.rb
@@ -45,6 +45,34 @@ describe Draper::Decoratable do
     end
   end
 
+  describe "#==" do
+    context "with itself" do
+      it "returns true" do
+        (subject == subject).should be_true
+      end
+    end
+
+    context "with another instance" do
+      it "returns false" do
+        (subject == Product.new).should be_false
+      end
+    end
+
+    context "with a decorated version of itself" do
+      it "returns true" do
+        decorator = double(source: subject)
+        (subject == decorator).should be_true
+      end
+    end
+
+    context "with a decorated other instance" do
+      it "returns false" do
+        decorator = double(source: Product.new)
+        (subject == decorator).should be_false
+      end
+    end
+  end
+
   describe "#===" do
     context "with itself" do
       it "returns true" do