diff --git a/src/ui/QGCToolBar.cc b/src/ui/QGCToolBar.cc
index 54d244b319b0dc07cac12674b33d6792ca6bf7bc..38ae649fc3c704460f83fc7508652ac271e83a0f 100644
--- a/src/ui/QGCToolBar.cc
+++ b/src/ui/QGCToolBar.cc
@@ -56,6 +56,7 @@ void QGCToolBar::globalPositionChanged(UASInterface* uas, double lat, double lon
     Q_UNUSED(uas);
     Q_UNUSED(lat);
     Q_UNUSED(lon);
+    Q_UNUSED(altWGS84);
     Q_UNUSED(usec);
     altitudeMSL = altAMSL;
     changed = true;