Index: src/wp-includes/script-loader.php
===================================================================
--- src/wp-includes/script-loader.php	(revision 43958)
+++ src/wp-includes/script-loader.php	(working copy)
@@ -185,7 +185,7 @@
 			// at the `document.write`. Its caveat of synchronous mid-stream
 			// blocking write is exactly the behavior we need though.
 			'document.write( \'<script src="' .
-			esc_url( $scripts->registered[ $handle ]->src ) .
+			esc_url( $scripts->base_url . $scripts->registered[ $handle ]->src ) .
 			'"></scr\' + \'ipt>\' );'
 		);
 	}