diff --git a/strongarm.admin.inc b/strongarm.admin.inc
index 283cb7d..6176398 100644
--- a/strongarm.admin.inc
+++ b/strongarm.admin.inc
@@ -20,7 +20,7 @@ function strongarm_admin_form($form_state) {
         $storage = t('Hardcoded');
         $hardcoded = TRUE;
       }
-      elseif (isset($variable->in_code_only)) {
+      elseif (!empty($variable->in_code_only)) {
         $storage = t('In code');
         $restorable = TRUE;
       }
diff --git a/strongarm.drush.inc b/strongarm.drush.inc
index 4154303..7afe9e2 100644
--- a/strongarm.drush.inc
+++ b/strongarm.drush.inc
@@ -33,7 +33,7 @@ function _drush_strongarm_revert($force) {
 
   $vars = strongarm_vars_load(TRUE, TRUE);
   foreach ($vars as $name => $var) {
-    if ($force || isset($var->in_code_only)) {
+    if ($force || !empty($var->in_code_only)) {
       if (!isset($conf[$name]) || $var->value != $conf[$name]) {
         variable_set($name, $var->value);
       }
diff --git a/strongarm.module b/strongarm.module
index 8263141..7173abc 100644
--- a/strongarm.module
+++ b/strongarm.module
@@ -115,7 +115,7 @@ if (!function_exists('variable_features_revert')) {
 
     $vars = strongarm_vars_load(TRUE, TRUE);
     foreach ($defaults as $name => $default) {
-      if (isset($vars[$name]->in_code_only) || ($default->value !== $vars[$name]->value)) {
+      if (!empty($vars[$name]->in_code_only) || ($default->value !== $vars[$name]->value)) {
         variable_set($name, $default->value);
       }
     }
@@ -134,7 +134,7 @@ function variable_features_rebuild($module) {
 
   $vars = strongarm_vars_load(TRUE, TRUE);
   foreach ($defaults as $name => $default) {
-    if (isset($vars[$name]->in_code_only) || (MAINTENANCE_MODE == 'install' && $vars[$name]->export_type & EXPORT_IN_CODE)) {
+    if (!empty($vars[$name]->in_code_only) || (MAINTENANCE_MODE == 'install' && $vars[$name]->export_type & EXPORT_IN_CODE)) {
       variable_set($name, $default->value);
     }
   }
@@ -156,7 +156,7 @@ function variable_features_export($data, &$export, $module_name) {
   // Then remove any vars from the export that are only in code
   $vars = strongarm_vars_load(TRUE, TRUE);
   foreach ($data as $object_name) {
-    if(!isset($vars[$object_name]) || $vars[$object_name]->in_code_only) {
+    if(!isset($vars[$object_name]) || !empty($vars[$object_name]->in_code_only)) {
       unset($export['features']['variable'][$object_name]);
     }
   }