diff --git a/libraries/AP_Hott_Telem/AP_Hott_Telem.cpp b/libraries/AP_Hott_Telem/AP_Hott_Telem.cpp
index ced8c91b19..05911a67e4 100644
--- a/libraries/AP_Hott_Telem/AP_Hott_Telem.cpp
+++ b/libraries/AP_Hott_Telem/AP_Hott_Telem.cpp
@@ -407,7 +407,6 @@ void AP_Hott_Telem::loop(void)
 {
     uart->begin(19200, 10, 10);
     uart->set_unbuffered_writes(true);
-    uart->set_blocking_writes(true);
 
     while (true) {
         hal.scheduler->delay_microseconds(1500);