diff --git a/apachesolr_multilingual_confgen/apachesolr_multilingual_confgen.install b/apachesolr_multilingual_confgen/apachesolr_multilingual_confgen.install
index 6020448..2057746 100644
--- a/apachesolr_multilingual_confgen/apachesolr_multilingual_confgen.install
+++ b/apachesolr_multilingual_confgen/apachesolr_multilingual_confgen.install
@@ -11,6 +11,7 @@
  * Register multilingual variables provided by Apache Solr Multilingual
  */
 function apachesolr_multilingual_confgen_enable() {
+  module_load_include('module', 'apachesolr_multilingual_confgen');
   apachesolr_multiligual_confgen_register_multilingual_variables();
 }
 
@@ -20,6 +21,7 @@ function apachesolr_multilingual_confgen_enable() {
  * Un-register multilingual variables provided by Apache Solr Multilingual
  */
 function apachesolr_multilingual_confgen_disable() {
+  module_load_include('module', 'apachesolr_multilingual_confgen');
   $old_variables = array_merge(
     apachesolr_multilingual_confgen_get_i18n_variables(),
     apachesolr_multilingual_confgen_get_apachesolr_confgen_textfiles_i18n_variables()
@@ -43,5 +45,6 @@ function apachesolr_multilingual_confgen_update_7100() {
  * Register lowerCase variables
  */
 function apachesolr_multilingual_confgen_update_7101() {
+  module_load_include('module', 'apachesolr_multilingual_confgen');
   apachesolr_multiligual_confgen_register_multilingual_variables();
-}
\ No newline at end of file
+}