diff --git a/vcl/unx/kde/UnxFilePicker.cxx b/vcl/unx/kde/UnxFilePicker.cxx
index b6b9da2ed88e..8fbed035a0b3 100644
--- a/vcl/unx/kde/UnxFilePicker.cxx
+++ b/vcl/unx/kde/UnxFilePicker.cxx
@@ -18,6 +18,7 @@
  */
 
 #include <com/sun/star/lang/DisposedException.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
 #include <com/sun/star/ui/dialogs/TemplateDescription.hpp>
 #include <com/sun/star/ui/dialogs/CommonFilePickerElementIds.hpp>