diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index 1638201d..964c2774 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -535,6 +535,10 @@ bool MainWindow::queryClose()
 
         const QString defaultProc = session->program().split('/').last();
         const QString currentProc = session->foregroundProcessName().split('/').last();
+
+        if (currentProc.isEmpty())
+            continue;
+
         if (defaultProc != currentProc) {
             processesRunning.append(currentProc);
         }