diff --git a/lib/OpenLayers/Format/WMC/v1_0_0.js b/lib/OpenLayers/Format/WMC/v1_0_0.js
index 6fd9c024bf..9968e6351f 100644
--- a/lib/OpenLayers/Format/WMC/v1_0_0.js
+++ b/lib/OpenLayers/Format/WMC/v1_0_0.js
@@ -92,7 +92,7 @@ OpenLayers.Format.WMC.v1_0_0 = OpenLayers.Class(
         
         // optional DimensionList element
         if (context.dimensions) {
-            node.appendChild(this.write_wmc_DimensionList(layer));
+            node.appendChild(this.write_wmc_DimensionList(context));
         }
 
         // OpenLayers specific properties go in an Extension element