diff --git a/internal/uidriver/glfw/ui.go b/internal/uidriver/glfw/ui.go
index 0832226f9..4405427e9 100644
--- a/internal/uidriver/glfw/ui.go
+++ b/internal/uidriver/glfw/ui.go
@@ -1103,7 +1103,7 @@ func currentMonitor(window *glfw.Window) *glfw.Monitor {
 	// Getting a monitor from a window position is not reliable in general (e.g., when a window is put across
 	// multiple monitors, or, before SetWindowPosition is called.).
 	// Get the monitor which the current window belongs to. This requires OS API.
-	if m := currentMonitorByOS(); m != nil {
+	if m := currentMonitorByOS(window); m != nil {
 		return m
 	}
 
diff --git a/internal/uidriver/glfw/ui_darwin.go b/internal/uidriver/glfw/ui_darwin.go
index 7980a17e2..4366b90dd 100644
--- a/internal/uidriver/glfw/ui_darwin.go
+++ b/internal/uidriver/glfw/ui_darwin.go
@@ -55,7 +55,7 @@ func (u *UserInterface) adjustWindowPosition(x, y int) (int, int) {
 	return x, y
 }
 
-func currentMonitorByOS() *glfw.Monitor {
+func currentMonitorByOS(w *glfw.Window) *glfw.Monitor {
 	x := C.int(0)
 	y := C.int(0)
 	// Note: [NSApp mainWindow] is nil when it doesn't have its border. Use w here.
diff --git a/internal/uidriver/glfw/ui_unix.go b/internal/uidriver/glfw/ui_unix.go
index 3eb365026..15d5d8788 100644
--- a/internal/uidriver/glfw/ui_unix.go
+++ b/internal/uidriver/glfw/ui_unix.go
@@ -32,7 +32,7 @@ func (u *UserInterface) adjustWindowPosition(x, y int) (int, int) {
 	return x, y
 }
 
-func currentMonitorByOS() *glfw.Monitor {
+func currentMonitorByOS(_ *glfw.Window) *glfw.Monitor {
 	// TODO: Implement this correctly. (#1119).
 	return nil
 }
diff --git a/internal/uidriver/glfw/ui_windows.go b/internal/uidriver/glfw/ui_windows.go
index 89f1b974d..f8fcd6b85 100644
--- a/internal/uidriver/glfw/ui_windows.go
+++ b/internal/uidriver/glfw/ui_windows.go
@@ -104,7 +104,7 @@ func (u *UserInterface) glfwScale() float64 {
 }
 
 func (u *UserInterface) adjustWindowPosition(x, y int) (int, int) {
-	mx, my := u.currentMonitor().GetPos()
+	mx, my := currentMonitor(u.window).GetPos()
 	// As the video width/height might be wrong,
 	// adjust x/y at least to enable to handle the window (#328)
 	if x < mx {
@@ -120,7 +120,7 @@ func (u *UserInterface) adjustWindowPosition(x, y int) (int, int) {
 	return x, y
 }
 
-func currentMonitorByOS() *glfw.Monitor {
+func currentMonitorByOS(_ *glfw.Window) *glfw.Monitor {
 	// TODO: Should we return nil here?
 	w, err := getActiveWindow()
 	if err != nil {