diff --git a/rtgui/previewwindow.cc b/rtgui/previewwindow.cc
index 015c30d4c..cd4e0c75c 100644
--- a/rtgui/previewwindow.cc
+++ b/rtgui/previewwindow.cc
@@ -216,7 +216,7 @@ bool PreviewWindow::on_motion_notify_event (GdkEventMotion* event)
         CursorShape newType = cursor_type;
 
         if (isMoving) {
-            mainCropWin->remoteMove ((int)((event->x - (double)press_x) / zoom), (int)((event->y - (double)press_y) / zoom));
+            mainCropWin->remoteMove ((event->x - press_x) / zoom, (event->y - press_y) / zoom);
             press_x = event->x;
             press_y = event->y;
         } else if (inside) {
diff --git a/rtgui/previewwindow.h b/rtgui/previewwindow.h
index a7b286202..f50411170 100644
--- a/rtgui/previewwindow.h
+++ b/rtgui/previewwindow.h
@@ -36,7 +36,7 @@ private:
     ImageArea* imageArea;
     int imgX, imgY, imgW, imgH;
     double zoom;
-    int press_x, press_y;
+    double press_x, press_y;
     bool isMoving;
     bool needsUpdate;
     CursorShape cursor_type;