diff --git a/src/wl_window.c b/src/wl_window.c
index cc4a75bd..19a493a3 100644
--- a/src/wl_window.c
+++ b/src/wl_window.c
@@ -2142,9 +2142,8 @@ void _glfwSetWindowDecoratedWayland(_GLFWwindow* window, GLFWbool enabled)
 
 void _glfwSetWindowFloatingWayland(_GLFWwindow* window, GLFWbool enabled)
 {
-    // TODO
-    _glfwInputError(GLFW_FEATURE_UNIMPLEMENTED,
-                    "Wayland: Window attribute setting not implemented yet");
+    _glfwInputError(GLFW_FEATURE_UNAVAILABLE,
+                    "Wayland: Platform does not support making a window floating");
 }
 
 void _glfwSetWindowMousePassthroughWayland(_GLFWwindow* window, GLFWbool enabled)