diff --git a/src/gui/painting/qpathclipper_p.h b/src/gui/painting/qpathclipper_p.h
index d1caea4a1a0..e1af161c7f2 100644
--- a/src/gui/painting/qpathclipper_p.h
+++ b/src/gui/painting/qpathclipper_p.h
@@ -336,7 +336,8 @@ inline QPathVertex::operator QPointF() const
 inline QPathSegments::QPathSegments(int reserve) :
     m_points(reserve),
     m_segments(reserve),
-    m_intersections(reserve)
+    m_intersections(reserve),
+    m_pathId(0)
 {
 }