diff --git a/companion/src/CMakeLists.txt b/companion/src/CMakeLists.txt
index ddc611983..20a6c0ea9 100644
--- a/companion/src/CMakeLists.txt
+++ b/companion/src/CMakeLists.txt
@@ -25,6 +25,7 @@ set(COMPANION_OSX_APP_BUNDLE_NAME "OpenTX Companion ${VERSION_MAJOR}.${VERSION_M
 # the binary (default homebrew path)
 set(DFU_UTIL_PATH "/usr/local/bin/dfu-util")
 set(AVRDUDE_PATH "/usr/local/bin/avrdude")
+set(AVRDUDE_CONF "/usr/local/etc/avrdude.conf")
 
 option(ALLOW_NIGHTLY_BUILDS "Allow nightly builds download / update") # Disabled by default
 if(ALLOW_NIGHTLY_BUILDS)
@@ -524,8 +525,12 @@ IF(APPLE)
   # Copy dfu-util and avrdude, resolve symlink first
   get_filename_component(DFU_UTIL_ABSOLUTE_PATH ${DFU_UTIL_PATH} REALPATH)
   get_filename_component(AVRDUDE_ABSOLUTE_PATH ${AVRDUDE_PATH} REALPATH)
+  get_filename_component(AVRDUDECONF_ABSOLUTE_PATH ${AVRDUDE_CONF} REALPATH)
   install(PROGRAMS ${DFU_UTIL_ABSOLUTE_PATH} ${AVRDUDE_ABSOLUTE_PATH} DESTINATION ${companion_res_dir} COMPONENT Runtime)
+  install(FILES ${AVRDUDECONF_ABSOLUTE_PATH} DESTINATION ${companion_res_dir} COMPONENT Runtime)
+  
   set(bundle_tools_path "\${CMAKE_INSTALL_PREFIX}/${companion_res_dir}/dfu-util;\${CMAKE_INSTALL_PREFIX}/${companion_res_dir}/avrdude")
+  
 
   # Include depencies (adding frameworks, fixing the embbeded libraries)
   # I get write errors without setting BU_CHMOD_BUNDLE_ITEMS even though it is
diff --git a/companion/src/burnconfigdialog.cpp b/companion/src/burnconfigdialog.cpp
index 400935573..123289844 100644
--- a/companion/src/burnconfigdialog.cpp
+++ b/companion/src/burnconfigdialog.cpp
@@ -105,6 +105,18 @@ burnConfigDialog::~burnConfigDialog()
     delete ui;
 }
 
+QStringList burnConfigDialog::getAvrdudeArgs()
+{
+    QStringList args = avrArgs;
+    if (!avrPort.isEmpty())
+      args << "-P" << avrPort;
+
+#if defined(__APPLE__)
+    args << "-C" << QFileInfo(QApplication::applicationDirPath() + "/../Resources/avrdude.conf").absoluteFilePath();
+#endif
+    return args;
+}
+
 void burnConfigDialog::getSettings()
 {
     avrLoc   = g.avrdudeLocation();
diff --git a/companion/src/burnconfigdialog.h b/companion/src/burnconfigdialog.h
index a09b8985d..5cf7bb375 100644
--- a/companion/src/burnconfigdialog.h
+++ b/companion/src/burnconfigdialog.h
@@ -42,7 +42,7 @@ public:
     QString getAVRDUDE() {return avrLoc;}
     QString getSAMBA() {return sambaLoc;}
     QString getDFU() {return dfuLoc;}
-    QStringList getAvrdudeArgs() { QStringList args = avrArgs; if (!avrPort.isEmpty()) args << "-P" << avrPort; return args; }
+    QStringList getAvrdudeArgs();
     QStringList getDFUArgs() {return dfuArgs;}
     QString getProgrammer() {return avrProgrammer;}
     QString getMCU() {return avrMCU;}