diff --git a/app/scanner2/mainwindow.cpp b/app/scanner2/mainwindow.cpp
index 380c11ea..1c315bf3 100644
--- a/app/scanner2/mainwindow.cpp
+++ b/app/scanner2/mainwindow.cpp
@@ -701,7 +701,7 @@ void MainWindow::on_AcquireInto2()
 
         if (HGBASE_ERR_OK != ret && deviceIsOnline)
         {
-            on_scanFinishEvent();
+            emit m_devUser->scanFinishEvent();
         }
     }
 }
@@ -1411,7 +1411,6 @@ void MainWindow::on_scanFinishEvent()
                 ret = m_devUser->StartScan();
 
             bool deviceIsOnline = true;
-            ret = m_devUser->StartScan();
 #if defined(HG_CMP_MSC)
 
             if (HGTWAIN_ERR_DEVICEOFFLINE == ret)
@@ -1437,7 +1436,7 @@ void MainWindow::on_scanFinishEvent()
 
             if (HGBASE_ERR_OK != ret && deviceIsOnline)
             {
-                on_scanFinishEvent();
+                emit m_devUser->scanFinishEvent();
             }
         }
     }
@@ -3474,7 +3473,7 @@ void MainWindow::on_act_acquire_triggered()
 
         if (HGBASE_ERR_OK != ret && deviceIsOnline)
         {
-            on_scanFinishEvent();
+            emit m_devUser->scanFinishEvent();
         }
     }
 }
@@ -3533,7 +3532,7 @@ void MainWindow::on_act_acquireSingle_triggered()
 
         if (HGBASE_ERR_OK != ret && deviceIsOnline)
         {
-            on_scanFinishEvent();
+            emit m_devUser->scanFinishEvent();
         }
     }
 }
@@ -3606,7 +3605,7 @@ void MainWindow::on_act_acquireInto_triggered()
 
             if (HGBASE_ERR_OK != ret && deviceIsOnline)
             {
-                on_scanFinishEvent();
+                emit m_devUser->scanFinishEvent();
             }
         }
     }
@@ -3694,7 +3693,7 @@ void MainWindow::on_act_insertFromScanner_triggered()
 
             if (HGBASE_ERR_OK != ret && deviceIsOnline)
             {
-                on_scanFinishEvent();
+                emit m_devUser->scanFinishEvent();
             }
         }
     }