diff --git a/platform/javascript/os_javascript.cpp b/platform/javascript/os_javascript.cpp
index c5985577385..a86393c9507 100644
--- a/platform/javascript/os_javascript.cpp
+++ b/platform/javascript/os_javascript.cpp
@@ -782,6 +782,9 @@ void OS_JavaScript::set_cursor_shape(CursorShape p_shape) {
 		set_css_cursor(godot2dom_cursor(cursor_shape));
 }
 
+void OS_JavaScript::set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) {
+}
+
 void OS_JavaScript::main_loop_begin() {
 
 	if (main_loop)
diff --git a/platform/javascript/os_javascript.h b/platform/javascript/os_javascript.h
index 2af90ef16b5..ce4763ab64e 100644
--- a/platform/javascript/os_javascript.h
+++ b/platform/javascript/os_javascript.h
@@ -128,6 +128,7 @@ public:
 	virtual bool is_userfs_persistent() const;
 
 	virtual void set_cursor_shape(CursorShape p_shape);
+	virtual void set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot);
 
 	void main_loop_begin();
 	bool main_loop_iterate();