diff --git a/geoip.module b/geoip.module
index 6ec2538..49603f5 100644
--- a/geoip.module
+++ b/geoip.module
@@ -88,18 +88,22 @@ function geoip_ip_address() {
  * Singleton wrapper around geoip_open().
  */
 function geoip_instance() {
-  $data_file = geoip_data_file();
-  if (!$data_file || !file_exists($data_file)) {
-    return FALSE;
-  }
-
-  // The file geoip.inc is common to both database types.
-  _geoip_load_lib();
-  $instance = geoip_open($data_file, GEOIP_STANDARD);
-
-  // Conditionally load the geoipcity include file.
-  if ($instance->databaseType == GEOIP_CITY_EDITION_REV1) {
-    _geoip_load_lib('geoipcity.inc');
+  $instance = FALSE;
+
+  if (!extension_loaded('geoip')) {
+    $data_file = geoip_data_file();
+    if (!$data_file || !file_exists($data_file)) {
+      return FALSE;
+    }
+
+    // The file geoip.inc is common to both database types.
+    _geoip_load_lib();
+    $instance = geoip_open($data_file, GEOIP_STANDARD);
+
+    // Conditionally load the geoipcity include file.
+    if ($instance->databaseType == GEOIP_CITY_EDITION_REV1) {
+      _geoip_load_lib('geoipcity.inc');
+    }
   }
 
   return $instance;
@@ -170,16 +174,16 @@ function _geoip_load_lib($file = 'geoip.inc') {
  *   Country Code
  */
 function geoip_country_code($ip = NULL) {
+  $cc = FALSE;
   $ip = $ip ? $ip : geoip_ip_address();
-  $gi = geoip_instance();
 
-  if (!$gi) {
-    return FALSE;
+  if (extension_loaded('geoip')) {
+    $cc = geoip_country_code_by_name($ip);
+  }
+  elseif ($gi = geoip_instance()) {
+    $cc = geoip_country_code_by_addr($gi, $ip);
+    geoip_close($gi);
   }
-
-  $cc = geoip_country_code_by_addr($gi, $ip);
-
-  geoip_close($gi);
 
   if (variable_get('geoip_debug', FALSE) && !empty($_GET['geoip_debug'])) {
     drupal_set_message(t('GeoIP reports country: %cc', array('%cc' => $cc)));
@@ -201,23 +205,21 @@ function geoip_country_code($ip = NULL) {
  *   City name or FALSE on errors.
  */
 function geoip_city($ip = NULL) {
+  $record = FALSE;
   $ip = $ip ? $ip : geoip_ip_address();
   $gi = geoip_instance();
 
-  if (!$gi) {
-    return FALSE;
+  if (extension_loaded('geoip')) {
+    $record = geoip_record_by_name($ip);
   }
-  elseif ($gi->databaseType != GEOIP_CITY_EDITION_REV1) {
-    // If not using a city database, there is nothing to do.
+  elseif ($gi = geoip_instance()) {
+    if ($gi->databaseType == GEOIP_CITY_EDITION_REV1) {
+      $record = geoip_record_by_addr($gi, $ip);
+      geoip_close($gi);
+    }
     geoip_close($gi);
-    return FALSE;
   }
 
-
-  $record = geoip_record_by_addr($gi, $ip);
-
-  geoip_close($gi);
-
   if (variable_get('geoip_debug', FALSE) && !empty($_GET['geoip_debug'])) {
     drupal_set_message(t('GeoIP reports city: %city', array('%city' => $record->city)));
   }