diff --git a/i18n_block/i18n_block.module b/i18n_block/i18n_block.module
index 2d7d153..0589bf2 100644
--- a/i18n_block/i18n_block.module
+++ b/i18n_block/i18n_block.module
@@ -132,7 +132,9 @@ function i18n_block_context_block_info_alter(&$block_info) {
   // Take care of languages on blocks
   $result = i18n_block_get_block_languages();
   foreach ($result as $record) {
-    $block_info["{$record->module}-{$record->delta}"]->language[$record->language] = $record->language;
+    if (isset($block_info["{$record->module}-{$record->delta}"])) {
+      $block_info["{$record->module}-{$record->delta}"]->language[$record->language] = $record->language;
+    }
   }
 }