Version 5.0.6

system/Image/Gd.php

@@ -385,6 +385,10 @@ class Gd extends Image
 	public function flip(): void
 	{
 		imageflip( $this->image, IMG_FLIP_HORIZONTAL );
+
+		/* Set width/height */
+		$this->width = imagesx( $this->image );
+		$this->height = imagesy( $this->image );
 	}
 	
 	/**