diff --git a/libraries/AP_Networking/AP_Networking_ChibiOS.cpp b/libraries/AP_Networking/AP_Networking_ChibiOS.cpp
index 692ca988fc186..ea5e4f42a6b0e 100644
--- a/libraries/AP_Networking/AP_Networking_ChibiOS.cpp
+++ b/libraries/AP_Networking/AP_Networking_ChibiOS.cpp
@@ -37,7 +37,7 @@ bool AP_Networking_ChibiOS::allocate_buffers()
                                 sizeof(uint32_t)*STM32_MAC_TRANSMIT_BUFFERS*AP_NETWORKING_EXTERN_MAC_BUFFER_SIZE; // typically == 9240
 
     // ensure that we allocate 32-bit aligned memory, and mark it non-cacheable
-    uint32_t size = 2;
+    uint32_t size = 1;
     uint8_t rasr = 0;
     // find size closest to power of 2
     while (size < total_size) {
diff --git a/libraries/AP_Vehicle/AP_Vehicle.cpp b/libraries/AP_Vehicle/AP_Vehicle.cpp
index 0635dc8368cf9..dd0b1576ffb16 100644
--- a/libraries/AP_Vehicle/AP_Vehicle.cpp
+++ b/libraries/AP_Vehicle/AP_Vehicle.cpp
@@ -313,16 +313,16 @@ void AP_Vehicle::setup()
     gcs().init();
 #endif
 
-#if AP_NETWORKING_ENABLED
-    networking.init();
-#endif
-
     // initialise serial ports
     serial_manager.init();
 #if HAL_GCS_ENABLED
     gcs().setup_console();
 #endif
 
+#if AP_NETWORKING_ENABLED
+    networking.init();
+#endif
+
     // Register scheduler_delay_cb, which will run anytime you have
     // more than 5ms remaining in your call to hal.scheduler->delay
     hal.scheduler->register_delay_callback(scheduler_delay_callback, 5);