diff --git a/app/main/controller/api/system.php b/app/main/controller/api/system.php
index 49178a9a..30b03427 100644
--- a/app/main/controller/api/system.php
+++ b/app/main/controller/api/system.php
@@ -159,7 +159,7 @@ class System extends \Controller\AccessController {
             $searchToken = $params['arg1'];
         }
 
-        // some "edge cases for testing if rounding works correct
+        // some "edge cases" for testing trueSec rounding...
         //$searchToken = 'H472-N'; // -0.000001 -> 0.0
         //$searchToken = 'X1E-OQ'; // -0.099426 -> -0.10
         //$searchToken = 'BKK4-H'; // -0.049954 -> -0.05
@@ -168,6 +168,8 @@ class System extends \Controller\AccessController {
         //$searchToken = 'Ayeroilen'; // 0.446568 -> 0.4 (LS)
         //$searchToken = 'Enderailen'; // 0.448785 -> 0.4 (LS)
         //$searchToken = 'Neziel'; // 0.449943 -> 0.4 (LS)
+        //$searchToken = 'Naga'; // 0.033684 -> 0.1 (LS)
+
 
         $this->whereQuery = "WHERE
             map_sys.solarSystemName LIKE '%" . $searchToken . "%'";
diff --git a/app/main/data/mapper/ccpsystemsmapper.php b/app/main/data/mapper/ccpsystemsmapper.php
index a85c013b..243dd793 100644
--- a/app/main/data/mapper/ccpsystemsmapper.php
+++ b/app/main/data/mapper/ccpsystemsmapper.php
@@ -27,7 +27,7 @@ class CcpSystemsMapper extends AbstractIterator {
 
         // "system trueSec" mapping -------------------------------------------
         self::$map['trueSec'] = function($iterator){
-            $trueSec = round((float)$iterator['system_security'], 1);
+            $trueSec = self::formatTrueSec($iterator['system_security']);
             return $trueSec;
         };
 
@@ -69,7 +69,7 @@ class CcpSystemsMapper extends AbstractIterator {
                 $iterator['security'] == 9
             ){
                 // k-space system
-                $trueSec = round($iterator['system_security'], 1, PHP_ROUND_HALF_DOWN);
+                $trueSec = self::formatTrueSec($iterator['system_security']);
 
                 if($trueSec <= 0){
                     $security = '0.0';
@@ -125,6 +125,20 @@ class CcpSystemsMapper extends AbstractIterator {
         return iterator_to_array($this, false);
     }
 
+    /**
+     * format trueSec
+     * @param $trueSec
+     * @return float
+     */
+    static function formatTrueSec($trueSec){
+        $positive = ($trueSec > 0);
+        $trueSec = round((float)$trueSec, 1, PHP_ROUND_HALF_DOWN);
+
+        if($positive && $trueSec <= 0){
+            $trueSec = 0.1;
+        }
+        return $trueSec;
+    }
 
     static function recursiveIterator($iterator){