diff --git a/platformio.ini b/platformio.ini
index cf382db8de..b45cdcf404 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -127,7 +127,7 @@ lib_deps = ${arduino_base.lib_deps}
 [linux_base]
 platform =
   # renovate: datasource=git-tags depName=ardulinux packageName=https://github.com/l5yth/ardulinux
-  git+https://github.com/l5yth/ardulinux.git#v0.2.2
+  git+https://github.com/l5yth/ardulinux.git#v0.2.3
 framework = arduino
 board = linux
 board_level = extra
@@ -147,6 +147,7 @@ build_src_filter =
   -<helpers/esp32/*.cpp>
   -<helpers/nrf52/*.cpp>
   -<helpers/stm32/*.cpp>
+  -<helpers/ethernet/>
   -<helpers/bridges/ESPNowBridge.cpp>
   -<helpers/*/*Display.cpp>
 lib_deps =
diff --git a/src/helpers/radiolib/LinuxSX1262Wrapper.h b/src/helpers/radiolib/LinuxSX1262Wrapper.h
index 17e168c70f..78c1e7cefb 100644
--- a/src/helpers/radiolib/LinuxSX1262Wrapper.h
+++ b/src/helpers/radiolib/LinuxSX1262Wrapper.h
@@ -30,8 +30,8 @@ class LinuxSX1262Wrapper : public RadioLibWrapper {
   }
   uint8_t getSpreadingFactor() const override { return ((LinuxSX1262 *)_radio)->spreadingFactor; }
 
-  void setRxBoostedGainMode(bool en) override {
-    ((LinuxSX1262 *)_radio)->setRxBoostedGainMode(en);
+  bool setRxBoostedGainMode(bool en) override {
+    return ((LinuxSX1262 *)_radio)->setRxBoostedGainMode(en) == RADIOLIB_ERR_NONE;
   }
   bool getRxBoostedGainMode() const override {
     return ((LinuxSX1262 *)_radio)->getRxBoostedGainMode();
diff --git a/variants/linux/LinuxBoard.h b/variants/linux/LinuxBoard.h
index f3044d7d98..81b481400c 100644
--- a/variants/linux/LinuxBoard.h
+++ b/variants/linux/LinuxBoard.h
@@ -6,6 +6,7 @@
 #include <sys/stat.h>
 #include <errno.h>
 #include <RadioLib.h>
+#include <helpers/KeyValueStore.h>
 
 class LinuxConfig {
 public:
@@ -73,6 +74,11 @@ class LinuxBoard : public mesh::MainBoard {
     exit(0);
   }
 
+  // Upstream attaches variant-specific prefs to the 'custom' Json object; the
+  // linux target carries its runtime config in meshcored.ini instead, so this
+  // is a no-op, matching ESP32Board/NRF52Board/STM32Board.
+  void attachDynamicPrefs(KeyValueStore* prefs) { }
+
   LinuxConfig config;
 };