diff --git a/src/emu/cpu/m6800/m6800.c b/src/emu/cpu/m6800/m6800.c
index 19b0b6f2de1..f2da826e9bc 100644
--- a/src/emu/cpu/m6800/m6800.c
+++ b/src/emu/cpu/m6800/m6800.c
@@ -770,7 +770,6 @@ static TIMER_CALLBACK(m6800_rx_tick)
 					// start bit found
 					cpustate->rxbits++;
 				}
-				cpu_pop_context();
 				break;
 
 			case M6800_SERIAL_STOP: