diff --git a/sal/osl/unx/module.cxx b/sal/osl/unx/module.cxx
index df0086140baa..71a7c0dace3d 100644
--- a/sal/osl/unx/module.cxx
+++ b/sal/osl/unx/module.cxx
@@ -208,7 +208,7 @@ osl_getModuleHandle(rtl_uString *, oslModule *pResult)
 #if !defined(DISABLE_DYNLOADING) || defined(IOS)
     *pResult = static_cast<oslModule>(RTLD_DEFAULT);
 #else
-    *pResult = NULL;
+    *pResult = nullptr;
 #endif
     return sal_True;
 }