diff --git a/lib/activejob-status/status.rb b/lib/activejob-status/status.rb
index 3509687..6e25784 100644
--- a/lib/activejob-status/status.rb
+++ b/lib/activejob-status/status.rb
@@ -44,7 +44,9 @@ def status
       end
 
       def progress
-        read[:progress].to_f / read[:total].to_f
+        read.then do |hash|
+          hash[:progress].to_f / hash[:total].to_f
+        end
       end
 
       def present?
diff --git a/spec/specs/active_job/status_spec.rb b/spec/specs/active_job/status_spec.rb
index 1004c33..1c9f512 100644
--- a/spec/specs/active_job/status_spec.rb
+++ b/spec/specs/active_job/status_spec.rb
@@ -101,6 +101,14 @@ def jobs_with(*args, **kwargs)
         expect(job.status.progress).to eq(0.4)
       end
     end
+
+    it "reads cache once" do
+      job = BaseJob.new
+
+      allow(described_class.store).to receive(:read)
+      job.status.progress
+      expect(described_class.store).to have_received(:read).once
+    end
   end
 
   describe "job status" do