diff --git a/actions/apisearchatom.php b/actions/apisearchatom.php
index 6743e92c84..32ff918da3 100644
--- a/actions/apisearchatom.php
+++ b/actions/apisearchatom.php
@@ -114,7 +114,7 @@ class ApiSearchAtomAction extends ApiPrivateAuthAction
             $this->page = 1;
         }
 
-        // TODO: Suppport since_id -- we need to tweak the backend
+        // TODO: Suppport max_id -- we need to tweak the backend
         // Search classes to support it.
 
         $this->since_id = $this->trimmed('since_id');
@@ -177,6 +177,10 @@ class ApiSearchAtomAction extends ApiPrivateAuthAction
                     $this->max_id = $notice->id;
                 }
 
+                if ($this->since_id && $notice->id <= $this->since_id) {
+                    break;
+                }
+
                 if ($cnt > $this->rpp) {
                     break;
                 }
diff --git a/actions/apisearchjson.php b/actions/apisearchjson.php
index 38e612ee39..dd442b7f24 100644
--- a/actions/apisearchjson.php
+++ b/actions/apisearchjson.php
@@ -85,6 +85,9 @@ class ApiSearchJSONAction extends ApiPrivateAuthAction
             $this->page = 1;
         }
 
+        // TODO: Suppport max_id -- we need to tweak the backend
+        // Search classes to support it.
+
         $this->since_id = $this->trimmed('since_id');
         $this->geocode  = $this->trimmed('geocode');
 
@@ -127,9 +130,9 @@ class ApiSearchJSONAction extends ApiPrivateAuthAction
             $cnt = $notice->find();
         }
 
-        // TODO: since_id, lang, geocode
+        // TODO: max_id, lang, geocode
 
-        $results = new JSONSearchResultsList($notice, $q, $this->rpp, $this->page);
+        $results = new JSONSearchResultsList($notice, $q, $this->rpp, $this->page, $this->since_id);
 
         $this->initDocument('json');
         $results->show();
diff --git a/lib/jsonsearchresultslist.php b/lib/jsonsearchresultslist.php
index 0d72ddf7ab..80d4036aad 100644
--- a/lib/jsonsearchresultslist.php
+++ b/lib/jsonsearchresultslist.php
@@ -101,6 +101,10 @@ class JSONSearchResultsList
                 $this->max_id = (int)$this->notice->id;
             }
 
+            if ($this->since_id && $this->notice->id <= $this->since_id) {
+                break;
+            }
+
             if ($cnt > $this->rpp) {
                 break;
             }