diff --git a/components/free_rtos/ethernet_industry/eth_ecat_telegram.hpp b/components/free_rtos/ethernet_industry/eth_ecat_telegram.hpp
index a237bc2..881a12a 100644
--- a/components/free_rtos/ethernet_industry/eth_ecat_telegram.hpp
+++ b/components/free_rtos/ethernet_industry/eth_ecat_telegram.hpp
@@ -97,7 +97,7 @@ public:
 
 private:
     static constexpr uint32_t semaphore_timeout_ticks_ = 3;
-    static constexpr uint32_t semaphore_timeout_tolerance_ = 1;
+    static constexpr uint32_t semaphore_timeout_tolerance_ = 4;
 
     Eth& eth_;
     Timer& ecat_timer_;