diff --git a/includes/openlayers.render.inc b/includes/openlayers.render.inc
index e8357b3..d8d614b 100644
--- a/includes/openlayers.render.inc
+++ b/includes/openlayers.render.inc
@@ -126,10 +126,13 @@ function _openlayers_styles_process($styles = array(),
   
   // Update URLs to support different types of paths
   foreach ($processed as $k => $style) {
+	
     if (!empty($style['externalGraphic'])) {
       // Check full URL or absolute path
       if (!valid_url($style['externalGraphic'], TRUE) 
-        && strpos($style['externalGraphic'], '/') !== 0) {
+        && strpos($style['externalGraphic'], '/') !== 0 
+        //check for attribute
+        && strpos($style['externalGraphic'],'${') !== 0) {
         // Make full URL from Drupal path
         $processed[$k]['externalGraphic'] = openlayers_style_path($style['externalGraphic']);
       }
@@ -180,4 +183,4 @@ function openlayers_style_path($path) {
     $path = str_replace('%24%7B', '${', $path);
     $path = str_replace('%7D', '}', $path);
     return $path;
-}
+}
\ No newline at end of file