diff --git a/compile_commands_env.py b/compile_commands_env.py
new file mode 100644
index 0000000..d96093d
--- /dev/null
+++ b/compile_commands_env.py
@@ -0,0 +1,4 @@
+import os
+Import("env")
+
+env.Replace(COMPILATIONDB_PATH=os.path.join("$PROJECT_DIR", "compile_commands.json"))
diff --git a/platformio.ini b/platformio.ini
index 2417fe0..a8cbe11 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -12,6 +12,7 @@
 platform = atmelavr
 board = nanoatmega328
 framework = arduino
+extra_scripts = post:compile_commands_env.py
 ;lib_deps = 
 ;	stevemarple/AsyncDelay @ ^1.1.2
 ;	stevemarple/SoftWire @ ^2.0.4