diff --git a/tools/pio/generate-compiletime-defines.py b/tools/pio/generate-compiletime-defines.py
index e51e566e18..c4511fcdff 100644
--- a/tools/pio/generate-compiletime-defines.py
+++ b/tools/pio/generate-compiletime-defines.py
@@ -144,4 +144,4 @@ def gen_compiletime_defines(node):
   print("\u001b[33m  memory_type: \u001b[0m  {}".format(env.BoardConfig().get("build.arduino.memory_type", "-")))
 
 
-env.AddBuildMiddleware(gen_compiletime_defines)
\ No newline at end of file
+env.AddBuildMiddleware(gen_compiletime_defines)