diff --git a/config-lib.pl b/config-lib.pl
index 816091d44..d3deda44b 100755
--- a/config-lib.pl
+++ b/config-lib.pl
@@ -58,7 +58,7 @@ foreach $o (@lang_order_list) {
 	}
 
 # Call any config pre-load function
-if (&foreign_func_exists($module, 'config_pre_load')) {
+if (&foreign_defined($module, 'config_pre_load')) {
 	&foreign_call($module, "config_pre_load", \%info, \@info_order)
 	&foreign_call($module, "config_pre_load", \%einfo)
 	}
diff --git a/gray-theme/config.cgi b/gray-theme/config.cgi
index 7d1ae1718..bff2fd2fa 100755
--- a/gray-theme/config.cgi
+++ b/gray-theme/config.cgi
@@ -34,7 +34,7 @@ if ($current_lang && $default_lang &&
 
 # Call any config preload function
 if (&foreign_require($m) &&
-    &foreign_func_exists($m, 'config_pre_load')) {
+    &foreign_defined($m, 'config_pre_load')) {
     &foreign_call($m, "config_pre_load", \%info, \@info_order);
 }
 
diff --git a/gray-theme/config_save.cgi b/gray-theme/config_save.cgi
index dcc9419cc..083ae1c7b 100755
--- a/gray-theme/config_save.cgi
+++ b/gray-theme/config_save.cgi
@@ -36,7 +36,7 @@ if (!$func) {
 
 # Call any post-config save function
 if (&foreign_require($m) &&
-    &foreign_func_exists($m, 'config_post_save')) {
+    &foreign_defined($m, 'config_post_save')) {
 	&foreign_call($m, "config_post_save", \%newconfig, \%oldconfig)
 	}