diff --git a/src/main/rx/jetiexbus.c b/src/main/rx/jetiexbus.c
index 9e3c04d2c12..6ae547e7125 100644
--- a/src/main/rx/jetiexbus.c
+++ b/src/main/rx/jetiexbus.c
@@ -189,7 +189,7 @@ static void jetiExBusDataReceive(uint16_t c, void *data)
         }
     }
 
-    if (jetiExBusFramePosition == jetiExBusFrameMaxSize) {
+    if (jetiExBusFramePosition >= jetiExBusFrameMaxSize) {
         // frame overrun
         jetiExBusFrameReset();
         jetiExBusFrameState = EXBUS_STATE_ZERO;