diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 1669944da..983556bcb 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -79,6 +79,7 @@ class WP_Scripts {
 						$ver .= '&' . $this->args[$handle];
 					$src = 0 === strpos($this->scripts[$handle]->src, 'http://') ? $this->scripts[$handle]->src : get_option( 'siteurl' ) . $this->scripts[$handle]->src;
 					$src = add_query_arg('ver', $ver, $src);
+					$src = apply_filters( 'script_loader_src', $src );
 					echo "<script type='text/javascript' src='$src'></script>\n";
 				}
 				$this->printed[] = $handle;