diff --git a/uc_store/uc_store.module b/uc_store/uc_store.module
index e335200..ef77bec 100644
--- a/uc_store/uc_store.module
+++ b/uc_store/uc_store.module
@@ -814,7 +814,12 @@ function uc_currency_format($value, $sign = NULL, $thou = NULL, $dec = NULL) {
     $value = abs($value);
     $output .= '-';
   }
-
+  
+  // Add theming to currency sign.
+  if ($sign) {
+    $sign = '<span class="uc-currency-sign">'.$sign.'</span>';
+  }
+  
   // Add the currency sign first if specified.
   if ($sign && !$sign_after) {
     $output .= $sign;