diff --git a/lib/interactor/organizer.rb b/lib/interactor/organizer.rb
index fcba5bc..1d27992 100644
--- a/lib/interactor/organizer.rb
+++ b/lib/interactor/organizer.rb
@@ -41,11 +41,12 @@ module ClassMethods
       #     include Interactor::Organizer
       #
       #     organize [InteractorThree, InteractorFour]
+      #     organize InteractorFive
       #   end
       #
       # Returns nothing.
       def organize(*interactors)
-        @organized = interactors.flatten
+        organized.concat(interactors.flatten)
       end
 
       # Internal: An Array of declared Interactors to be invoked.
diff --git a/spec/integration_spec.rb b/spec/integration_spec.rb
index be6217f..d47ca74 100644
--- a/spec/integration_spec.rb
+++ b/spec/integration_spec.rb
@@ -1774,4 +1774,30 @@ def rollback
       }.to raise_error("foo")
     end
   end
+
+  context "when there are multiple organize calls" do
+    it "runs all passed interactors in correct order" do
+      organizer = build_organizer(organize: [organizer2, interactor3])
+      organizer.organize(organizer4, interactor5)
+
+      expect {
+        organizer.call(context)
+      }.to change {
+        context.steps
+      }.from([]).to([
+        :around_before2, :before2,
+          :around_before2a, :before2a, :call2a, :after2a, :around_after2a,
+          :around_before2b, :before2b, :call2b, :after2b, :around_after2b,
+          :around_before2c, :before2c, :call2c, :after2c, :around_after2c,
+        :after2, :around_after2,
+        :around_before3, :before3, :call3, :after3, :around_after3,
+        :around_before4, :before4,
+          :around_before4a, :before4a, :call4a, :after4a, :around_after4a,
+          :around_before4b, :before4b, :call4b, :after4b, :around_after4b,
+          :around_before4c, :before4c, :call4c, :after4c, :around_after4c,
+        :after4, :around_after4,
+        :around_before5, :before5, :call5, :after5, :around_after5
+      ])
+    end
+  end
 end
diff --git a/spec/interactor/organizer_spec.rb b/spec/interactor/organizer_spec.rb
index 5b02aaa..a664c7b 100644
--- a/spec/interactor/organizer_spec.rb
+++ b/spec/interactor/organizer_spec.rb
@@ -23,6 +23,16 @@ module Interactor
           organizer.organized
         }.from([]).to([interactor2, interactor3])
       end
+
+      it "allows multiple organize calls" do
+        interactor4 = double(:interactor4)
+        expect {
+          organizer.organize(interactor2, interactor3)
+          organizer.organize(interactor4)
+        }.to change {
+          organizer.organized
+        }.from([]).to([interactor2, interactor3, interactor4])
+      end
     end
 
     describe ".organized" do