diff --git a/acquia_search/acquia_search.module b/acquia_search/acquia_search.module
index 4d8a415..6aee761 100644
--- a/acquia_search/acquia_search.module
+++ b/acquia_search/acquia_search.module
@@ -86,7 +86,7 @@ function acquia_search_enable_acquia_solr_environment() {
   if (!$environment) {
     // Only set the default if we just created the environment.
     // This will almost always happen, unless the module was disabled via SQL.
-    apachesolr_default_environment(ACQUIA_SEARCH_ENVIRONMENT_ID);
+    variable_set('apachesolr_default_environment', ACQUIA_SEARCH_ENVIRONMENT_ID);
     $environment['conf'] = array();
   }
   $acquia_environment = acquia_search_get_environment();