diff --git a/vcl/Library_vclplug_gtk3_kde5.mk b/vcl/Library_vclplug_gtk3_kde5.mk
index 20a8dc1ee228..6c5e79c60f00 100644
--- a/vcl/Library_vclplug_gtk3_kde5.mk
+++ b/vcl/Library_vclplug_gtk3_kde5.mk
@@ -39,6 +39,7 @@ $(eval $(call gb_Library_add_cxxflags,vclplug_gtk3_kde5,\
 
 $(eval $(call gb_Library_add_defs,vclplug_gtk3_kde5,\
     -DVCLPLUG_GTK_IMPLEMENTATION -DVCLPLUG_GTK3_KDE5_IMPLEMENTATION \
+    $(KF5_CFLAGS) \
 ))
 
 $(eval $(call gb_Library_use_custom_headers,vclplug_gtk3_kde5,\
@@ -125,6 +126,7 @@ $(eval $(call gb_Library_add_libs,vclplug_gtk3_kde5,\
 	-lm \
 	-ldl \
 	-lpthread \
+	$(KF5_LIBS) \
 ))
 endif
 
diff --git a/vcl/unx/gtk3_kde5/gtk3_kde5_filepicker.cxx b/vcl/unx/gtk3_kde5/gtk3_kde5_filepicker.cxx
index 8006bc37c7dc..94eca472a7e7 100644
--- a/vcl/unx/gtk3_kde5/gtk3_kde5_filepicker.cxx
+++ b/vcl/unx/gtk3_kde5/gtk3_kde5_filepicker.cxx
@@ -17,6 +17,9 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <QUrl>
+#include <KFileWidget>
+
 #include "gtk3_kde5_filepicker.hxx"
 
 #include <com/sun/star/lang/DisposedException.hpp>
@@ -71,6 +74,11 @@ Gtk3KDE5FilePicker::Gtk3KDE5FilePicker(const uno::Reference<uno::XComponentConte
     : Gtk3KDE5FilePicker_Base(_helperMutex)
 {
     setMultiSelectionMode(false);
+
+    // tdf#124598 dummy KWidget use to make gtk3_kde5 VCL plugin link against KIO libraries
+    QString sDummyStr;
+    QUrl aUrl = KFileWidget::getStartUrl(QUrl(), sDummyStr);
+    aUrl.setPath("/dev/null");
 }
 
 Gtk3KDE5FilePicker::~Gtk3KDE5FilePicker() = default;