diff --git a/modules/comment.module b/modules/comment.module
index 509341ede2764b8f500b38162425100432ed3c77..22c7c8aaa17c7ba81f6a28d5aeca14c968f26c34 100644
--- a/modules/comment.module
+++ b/modules/comment.module
@@ -73,17 +73,17 @@ function comment_is_new($comment) {
   global $user;
   static $date;
 
-  if (!$date) {
+  if (!$date[$comment->nid]) {
     if ($user->uid) {
       $history = db_fetch_object(db_query("SELECT timestamp FROM history WHERE uid = '$user->uid' AND nid = '$comment->nid'"));
-      $date = $history->timestamp ? $history->timestamp : 0;
+      $date[$comment->nid] = $history->timestamp ? $history->timestamp : 0;
     }
     else {
-      $date = time();
+      $date[$comment->nid] = time();
     }
   }
 
-  if ($comment->timestamp > $date) {
+  if ($comment->timestamp > $date[$comment->nid]) {
     return 1;
   }
   else {
diff --git a/modules/comment/comment.module b/modules/comment/comment.module
index 509341ede2764b8f500b38162425100432ed3c77..22c7c8aaa17c7ba81f6a28d5aeca14c968f26c34 100644
--- a/modules/comment/comment.module
+++ b/modules/comment/comment.module
@@ -73,17 +73,17 @@ function comment_is_new($comment) {
   global $user;
   static $date;
 
-  if (!$date) {
+  if (!$date[$comment->nid]) {
     if ($user->uid) {
       $history = db_fetch_object(db_query("SELECT timestamp FROM history WHERE uid = '$user->uid' AND nid = '$comment->nid'"));
-      $date = $history->timestamp ? $history->timestamp : 0;
+      $date[$comment->nid] = $history->timestamp ? $history->timestamp : 0;
     }
     else {
-      $date = time();
+      $date[$comment->nid] = time();
     }
   }
 
-  if ($comment->timestamp > $date) {
+  if ($comment->timestamp > $date[$comment->nid]) {
     return 1;
   }
   else {