diff --git a/prev_next.block.inc b/prev_next.block.inc
index a1457e0..e5790bb 100644
--- a/prev_next.block.inc
+++ b/prev_next.block.inc
@@ -10,6 +10,7 @@
  */
 function prev_next_block_info() {
   $num_blocks = variable_get('prev_next_num_blocks', PREV_NEXT_NUM_BLOCKS_DEFAULT);
+  $blocks = array();
   for ($b = 0; $b < $num_blocks; $b++) {
     $blocks[$b] = array(
       'info' => t('Prev/Next links !blocknum', array('!blocknum' => 1 + $b)),