diff --git a/abstract_client.h b/abstract_client.h
index 062a589b7c..00dd1a0185 100644
--- a/abstract_client.h
+++ b/abstract_client.h
@@ -525,6 +525,9 @@ protected:
     }
     QRect electricBorderMaximizeGeometry(QPoint pos, int desktop);
 
+    // geometry handling
+    void checkOffscreenPosition(QRect *geom, const QRect &screenArea);
+
 private:
     void handlePaletteChange();
     QSharedPointer<TabBox::TabBoxClientImpl> m_tabBoxClient;
diff --git a/client.h b/client.h
index 3d36075b7a..d0b864f413 100644
--- a/client.h
+++ b/client.h
@@ -635,8 +635,6 @@ private:
     xcb_timestamp_t readUserCreationTime() const;
     void startupIdChanged();
 
-    void checkOffscreenPosition (QRect* geom, const QRect& screenArea);
-
     void updateInputWindow();
 
     bool tabTo(Client *other, bool behind, bool activate);
diff --git a/geometry.cpp b/geometry.cpp
index bfe69358e8..73e4a562cf 100644
--- a/geometry.cpp
+++ b/geometry.cpp
@@ -1254,7 +1254,7 @@ void Client::checkWorkspacePosition(QRect oldGeometry, int oldDesktop, QRect old
         setGeometry(newGeom);
 }
 
-void Client::checkOffscreenPosition(QRect* geom, const QRect& screenArea)
+void AbstractClient::checkOffscreenPosition(QRect* geom, const QRect& screenArea)
 {
     if (geom->left() > screenArea.right()) {
         geom->moveLeft(screenArea.right() - screenArea.width()/4);