diff --git a/src/main/rx/spektrum.c b/src/main/rx/spektrum.c
index 4e14567953..55d4416953 100644
--- a/src/main/rx/spektrum.c
+++ b/src/main/rx/spektrum.c
@@ -179,7 +179,6 @@ void spektrumBind(rxConfig_t *rxConfig)
         return;
 #endif
 
-    // USART2, PA3
     spekBindPort = BIND_PORT;
     spekBindPin = BIND_PIN;
 
diff --git a/src/main/target/CC3D/target.h b/src/main/target/CC3D/target.h
index d933362b1d..e8607dd059 100644
--- a/src/main/target/CC3D/target.h
+++ b/src/main/target/CC3D/target.h
@@ -76,3 +76,8 @@
 #define TELEMETRY
 #define SERIAL_RX
 #define AUTOTUNE
+
+#define SPEKTRUM_BIND
+// USART3, PB11 (Flexport)
+#define BIND_PORT  GPIOB
+#define BIND_PIN   Pin_11
diff --git a/src/main/target/CJMCU/target.h b/src/main/target/CJMCU/target.h
index 0e2da29e77..60e74e528f 100644
--- a/src/main/target/CJMCU/target.h
+++ b/src/main/target/CJMCU/target.h
@@ -61,3 +61,8 @@
 #define SENSORS_SET (SENSOR_ACC | SENSOR_MAG)
 
 #define SERIAL_RX
+
+#define SPEKTRUM_BIND
+// USART2, PA3
+#define BIND_PORT  GPIOA
+#define BIND_PIN   Pin_3
diff --git a/src/main/target/NAZE/target.h b/src/main/target/NAZE/target.h
index 5b84e39fb3..3226382e37 100644
--- a/src/main/target/NAZE/target.h
+++ b/src/main/target/NAZE/target.h
@@ -114,5 +114,6 @@
 #define AUTOTUNE
 
 #define SPEKTRUM_BIND
+// USART2, PA3
 #define BIND_PORT  GPIOA
 #define BIND_PIN   Pin_3
diff --git a/src/main/target/NAZE32PRO/target.h b/src/main/target/NAZE32PRO/target.h
index 12ae41b82f..5376ef9aaa 100644
--- a/src/main/target/NAZE32PRO/target.h
+++ b/src/main/target/NAZE32PRO/target.h
@@ -46,3 +46,8 @@
 #define TELEMETRY
 #define SERIAL_RX
 #define AUTOTUNE
+
+#define SPEKTRUM_BIND
+// USART2, PA3
+#define BIND_PORT  GPIOA
+#define BIND_PIN   Pin_3