diff --git a/component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerDataManagerStubFragment.java b/component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerDataManagerStubFragment.java
index 4ed32dcc..556d9d93 100644
--- a/component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerDataManagerStubFragment.java
+++ b/component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerDataManagerStubFragment.java
@@ -161,7 +161,7 @@ public class ScannerDataManagerStubFragment extends Fragment {
                 Toast.makeText(getActivity(), "documentDetail is null", Toast.LENGTH_LONG).show();
                 return;
             }
-            DocumentProcessor documentProcessor = documentProcessorFactory.create(this.documentDetail);
+            this.documentProcessor = documentProcessorFactory.create(this.documentDetail);
         });
     }