diff --git a/src/pdf/popplerutils_p.h b/src/pdf/popplerutils_p.h
index e9b3e74..d808604 100644
--- a/src/pdf/popplerutils_p.h
+++ b/src/pdf/popplerutils_p.h
@@ -1,53 +1,55 @@
 /*
     Copyright (C) 2019 Volker Krause <vkrause@kde.org>
 
     This program is free software; you can redistribute it and/or modify it
     under the terms of the GNU Library General Public License as published by
     the Free Software Foundation; either version 2 of the License, or (at your
     option) any later version.
 
     This program is distributed in the hope that it will be useful, but WITHOUT
     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
     License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #ifndef KITINERARY_POPPLERUTILS_P_H
 #define KITINERARY_POPPLERUTILS_P_H
 
 #include <qnamespace.h>
 
 class GfxPath;
 class GfxState;
 
 class QBrush;
 class QPainterPath;
 class QPen;
 class QTransform;
 
 #if KPOPPLER_VERSION >= QT_VERSION_CHECK(0, 83, 0)
 #define GFXPATH_CONST const
+#else
+#define GFXPATH_CONST
 #endif
 
 namespace KItinerary {
 
 /** Utilities for interacting with Poppler. */
 namespace PopplerUtils
 {
     /** Returns the current pen. */
     QPen currentPen(GfxState *state);
     /** Retruns the current brush. */
     QBrush currentBrush(GfxState *state);
     /** Returns the current transformation matrix. */
     QTransform currentTransform(GfxState *state);
 
     /** Convets a Poppler path into a Qt path. */
     QPainterPath convertPath(GFXPATH_CONST GfxPath *path, Qt::FillRule fillRule);
 }
 
 }
 
 #endif // KITINERARY_POPPLERUTILS_P_H