diff --git a/plugins/facetapi/adapter.inc b/plugins/facetapi/adapter.inc
index 0ace511..5733575 100644
--- a/plugins/facetapi/adapter.inc
+++ b/plugins/facetapi/adapter.inc
@@ -309,6 +309,7 @@ abstract class FacetapiAdapter {
       // Perform basic parsing of the filter.
       $parts = explode(':', $filter, 2);
       $field_alias = rawurldecode($parts[0]);
+      $filter = $field_alias . ':' . $parts[1];
       if (isset($parts[1]) && isset($enabled_aliases[$field_alias])) {
 
         // Store basic information about the active item. For details on how