diff --git a/src/Jirafeau/a.php b/src/Jirafeau/a.php
index 6280a4e..0590c83 100644
--- a/src/Jirafeau/a.php
+++ b/src/Jirafeau/a.php
@@ -181,10 +181,7 @@ function rmSenderTrack ($sender) {
         unlink (VAR_TRACKS.$sender);
 }
 function getSenderTrack ($sender) {
-    if (!$sender)
-        return false;
-    return false;
-    //return file_exists (VAR_TRACKS.$sender);
+    return $sender && file_exists (VAR_TRACKS.$sender);
 }
 
 // ========================================
@@ -205,9 +202,9 @@ function rmSenderPeriod ($sender) {
         unlink (VAR_PERIOD.$sender);
 }
 function getSenderPeriod ($sender) {
-    if (!$sender || !file_exists (VAR_PERIOD.$sender))
-        return DEFAULT_PERIOD;
-    return trim (file (VAR_PERIOD.$sender)[0]);
+    if ($sender && file_exists (VAR_PERIOD.$sender))
+        return trim (file (VAR_PERIOD.$sender)[0]);
+    return DEFAULT_PERIOD;
 }
 
 function period2seconds ($periodName) {