1 files changed, 2 insertions, 2 deletions
diff --git a/core/polkit-tqt-authority.h b/core/polkit-tqt-authority.h
index 4df6a8a02..d4e0e0b53 100644
--- a/core/polkit-tqt-authority.h
+++ b/core/polkit-tqt-authority.h
@@ -137,7 +137,7 @@ class POLKIT_TQT_EXPORT Authority : public TQObject
      *
      * \return The current authority instance
      */
-    static Authority* instance(PolkitAuthority *authority = NULL);
+    static Authority* instance(PolkitAuthority *authority = nullptr);
 
     ~Authority();
 
@@ -513,7 +513,7 @@ class POLKIT_TQT_EXPORT Authority : public TQObject
     Authority(const Authority&);
     Authority& operator=(const Authority&);
 
-    Authority(TQObject *parent = NULL);
+    Authority(TQObject *parent = nullptr);
 
     static Authority *m_theAuthority;