diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
index ff23623e9a..bd2da0760d 100644
--- a/src/corelib/kernel/qcoreapplication.cpp
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -2051,6 +2051,9 @@ void QCoreApplication::quit()
     if (!self)
         return;
 
+    if (!self->d_func()->in_exec)
+        return;
+
     self->d_func()->quit();
 }