diff --git a/bin/platformio-custom.py b/bin/platformio-custom.py
index 4f7ce55d0..b22d76098 100644
--- a/bin/platformio-custom.py
+++ b/bin/platformio-custom.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # trunk-ignore-all(ruff/F821)
 # trunk-ignore-all(flake8/F821): For SConstruct imports
 import sys
@@ -80,7 +81,7 @@ if platform.name == "espressif32":
 
 if platform.name == "nordicnrf52":
     env.AddPostAction("$BUILD_DIR/${PROGNAME}.hex",
-                      env.VerboseAction(f"python ./bin/uf2conv.py $BUILD_DIR/firmware.hex -c -f 0xADA52840 -o $BUILD_DIR/firmware.uf2",
+                      env.VerboseAction(f"/usr/bin/env python3 ./bin/uf2conv.py $BUILD_DIR/firmware.hex -c -f 0xADA52840 -o $BUILD_DIR/firmware.uf2",
                                         "Generating UF2 file"))
 
 Import("projenv")
@@ -95,4 +96,4 @@ projenv.Append(
         "-DAPP_VERSION=" + verObj["long"],
         "-DAPP_VERSION_SHORT=" + verObj["short"],
     ]
-)
\ No newline at end of file
+)