diff --git a/src/cadencegraph.h b/src/cadencegraph.h
index b042a1bd..cd1764f9 100644
--- a/src/cadencegraph.h
+++ b/src/cadencegraph.h
@@ -13,7 +13,6 @@ public:
 	QString label() const {return tr("Cadence");}
 	void loadData(const Data &data, const QList<PathItem *> &paths);
 	void clear();
-	void setUnits(enum Units) {}
 	void showTracks(bool show);
 	void showRoutes(bool show) {Q_UNUSED(show);}
 
diff --git a/src/graphtab.h b/src/graphtab.h
index f01d265c..3e64c933 100644
--- a/src/graphtab.h
+++ b/src/graphtab.h
@@ -20,7 +20,7 @@ public:
 	virtual QString label() const = 0;
 	virtual void loadData(const Data &data, const QList<PathItem *> &paths) = 0;
 	virtual void clear() {}
-	virtual void setUnits(enum Units units) {Q_UNUSED(units)}
+	virtual void setUnits(enum Units units) {GraphView::setUnits(units);}
 	virtual void setTimeType(enum TimeType type) {Q_UNUSED(type)}
 	virtual void showTracks(bool show) {Q_UNUSED(show)}
 	virtual void showRoutes(bool show) {Q_UNUSED(show)}