diff --git a/platform/imgui/imgui.go b/platform/imgui/imgui.go
index 2d91d60..6a2f891 100644
--- a/platform/imgui/imgui.go
+++ b/platform/imgui/imgui.go
@@ -74,3 +74,11 @@ func NextColumn() {
 func ShowDemoWindow() {
 	C.igShowDemoWindow(nil)
 }
+
+func SetNextWindowPos(pos math.Vec2i) {
+	C.igSetNextWindowPos(C.ImVec2{x: C.float(pos.X), y: C.float(pos.Y)}, C.ImGuiCond_FirstUseEver, C.ImVec2{})
+}
+
+func SetNextWindowSize(size math.Vec2i) {
+	C.igSetNextWindowSize(C.ImVec2{x: C.float(size.X), y: C.float(size.Y)}, C.ImGuiCond_FirstUseEver)
+}
diff --git a/tools/viewer/viewer.go b/tools/viewer/viewer.go
index 1f613d1..e8207e9 100644
--- a/tools/viewer/viewer.go
+++ b/tools/viewer/viewer.go
@@ -66,6 +66,8 @@ func (s *scene) Advance() error {
 		}
 	}
 
+	imgui.SetNextWindowSize(math.Vec2i{X: 300, Y: 400})
+
 	imgui.Begin("DC6 Viewer")
 	imgui.Image(s.texture)
 	direction := s.animation.Directions[directionIndex]
@@ -82,10 +84,6 @@ func (s *scene) Advance() error {
 	imgui.Text("Offset")
 	imgui.NextColumn()
 	imgui.Text("%+v", frame.Offset)
-	imgui.Columns(1)
-	if imgui.Button("Exit") {
-		platform.WindowSetScene(nil)
-	}
 	imgui.End()
 
 	if directionIndex != s.directionIndex || frameIndex != s.frameIndex {