diff --git a/src/wp-includes/vars.php b/src/wp-includes/vars.php
index 6aa98d53aa..f303a9d835 100644
--- a/src/wp-includes/vars.php
+++ b/src/wp-includes/vars.php
@@ -65,7 +65,7 @@ $is_edge   = false;
 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) ) {
 	if ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Lynx' ) !== false ) {
 		$is_lynx = true;
-	} elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Edge' ) !== false ) {
+	} elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Edg' ) !== false ) {
 		$is_edge = true;
 	} elseif ( stripos( $_SERVER['HTTP_USER_AGENT'], 'chrome' ) !== false ) {
 		if ( stripos( $_SERVER['HTTP_USER_AGENT'], 'chromeframe' ) !== false ) {