diff --git a/cmd/cbconvert-gui/main.go b/cmd/cbconvert-gui/main.go
index 810e0ab..2c1ddea 100644
--- a/cmd/cbconvert-gui/main.go
+++ b/cmd/cbconvert-gui/main.go
@@ -364,6 +364,7 @@ func tabs() iup.Ihandle {
 
 					return iup.DEFAULT
 				})),
+			iup.Space().SetAttribute("SIZE", "5x0"),
 			iup.Button("Browse...").SetAttributes("PADDING=DEFAULTBUTTONPADDING").
 				SetCallback("ACTION", iup.ActionFunc(onOutputDirectory)),
 		),