diff --git a/platformio.ini b/platformio.ini
index 660bf4d96..4cde16fa4 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -64,11 +64,11 @@ lib_extra_dirs              =
 
 [scripts_defaults]
 extra_scripts               = pio-tools/strip-floats.py
-                              pio-tools/add_c_flags.py
                               pio-tools/name-firmware.py
                               pio-tools/gzip-firmware.py
                               pio-tools/override_copy.py
                               pio-tools/download_fs.py
+                              pre:pio-tools/add_c_flags.py
 
 [esp_defaults]
 ; *** remove undesired all warnings