diff --git a/src/main/target/ALIENFLIGHTF3/config.c b/src/main/target/ALIENFLIGHTF3/config.c
index e1d7b9e33f..135104b09e 100644
--- a/src/main/target/ALIENFLIGHTF3/config.c
+++ b/src/main/target/ALIENFLIGHTF3/config.c
@@ -74,6 +74,9 @@ void targetConfiguration(master_t *config)
 #ifdef LED2_A
         config->statusLedConfig.ledTags[2] = IO_TAG(LED2_A);
 #endif
+    } else {
+        config->gyroConfig.gyro_sync_denom = 2;
+        config->pidConfig.pid_process_denom = 2;
     }
 
     config->rxConfig.spektrum_sat_bind = 5;
@@ -82,7 +85,7 @@ void targetConfiguration(master_t *config)
 
     if (hardwareMotorType == MOTOR_BRUSHED) {
         config->motorConfig.motorPwmRate = BRUSHED_MOTORS_PWM_RATE;
-        config->pidConfig.pid_process_denom = 2;
+        config->pidConfig.pid_process_denom = 1;
     }
 
     config->profile[0].pidProfile.P8[ROLL] = 90;
diff --git a/src/main/target/KAKUTEF4/target.h b/src/main/target/KAKUTEF4/target.h
index 0a78914618..a82ba41e11 100644
--- a/src/main/target/KAKUTEF4/target.h
+++ b/src/main/target/KAKUTEF4/target.h
@@ -128,7 +128,7 @@
 #define DEFAULT_FEATURES        FEATURE_BLACKBOX
 #define DEFAULT_RX_FEATURE      FEATURE_RX_SERIAL
 #define SERIALRX_PROVIDER       SERIALRX_SBUS
-#define SERIALRX_UART           SERIAL_PORT_USART2
+#define SERIALRX_UART           SERIAL_PORT_USART3
 
 #define USE_SERIAL_4WAY_BLHELI_INTERFACE