diff --git a/src/uas/UASInterface.h b/src/uas/UASInterface.h
index 6395674eaa683d2e7ea4af968ecb2ed929645693..e918104a5508cd2011dc857b0b4a9542e62655d1 100644
--- a/src/uas/UASInterface.h
+++ b/src/uas/UASInterface.h
@@ -646,7 +646,7 @@ signals:
 protected:
 
     // TIMEOUT CONSTANTS
-    static const unsigned int timeoutIntervalHeartbeat = 3500 * 1000; ///< Heartbeat timeout is 2.5 seconds
+    static const unsigned int timeoutIntervalHeartbeat = 3500 * 1000; ///< Heartbeat timeout is 3.5 seconds
 
 };