diff --git a/src/viewer3D.jl b/src/viewer3D.jl
index 7bf6faa..bc9cfb1 100644
--- a/src/viewer3D.jl
+++ b/src/viewer3D.jl
@@ -135,7 +135,7 @@ function Viewer3D(show_kite=true, autolabel="Autopilot")
     btn_RESET       = Button(sub_fig, label = "RESET")
     btn_ZOOM_in     = Button(sub_fig, label = "Zoom +")
     btn_ZOOM_out    = Button(sub_fig, label = "Zoom -")
-    btn_PLAY_PAUSE  = Button(sub_fig, label = @lift($running ? "PAUSE" : " PLAY  "))
+    btn_PLAY_PAUSE  = Button(sub_fig, label = @lift($running ? "PAUSE" : " RUN "))
     btn_AUTO        = Button(sub_fig, label = autolabel)
     btn_PARKING     = Button(sub_fig, label = "Parking")  
     btn_STOP        = Button(sub_fig, label = "STOP")