diff --git a/inc/wpcom.php b/inc/wpcom.php
index 0080052b..d90dbb64 100644
--- a/inc/wpcom.php
+++ b/inc/wpcom.php
@@ -6,9 +6,12 @@
  * @since _s 1.0
  */
 
+global $themecolors;
+
 /**
  * Set a default theme color array for WP.com.
  *
+ * @global array $themecolors
  * @since _s 1.0
  */
 $themecolors = array(