diff --git a/platform/javascript/js/libs/library_godot_display.js b/platform/javascript/js/libs/library_godot_display.js
index 781a202f89f..b36220ac9e1 100644
--- a/platform/javascript/js/libs/library_godot_display.js
+++ b/platform/javascript/js/libs/library_godot_display.js
@@ -908,6 +908,7 @@ const GodotDisplay = {
 			canvas.style.left = 0;
 			break;
 		}
+		GodotDisplayScreen.updateSize();
 		if (p_fullscreen) {
 			GodotDisplayScreen.requestFullscreen();
 		}