diff --git a/scripts/format_app.py b/scripts/format_app.py
index 97273f41b..671630b15 100755
--- a/scripts/format_app.py
+++ b/scripts/format_app.py
@@ -57,7 +57,8 @@ def maybe_add_rebar_plugin():
 
 
 def execute_formatting():
-  subprocess.call(["rebar3", "fmt", "-w"])
+  subprocess.call(["rebar3", "fmt", "-w", "{src,include,test}/**/*.{hrl,erl,app.src}"])
+  subprocess.call(["rebar3", "fmt", "-w", "rebar.config"])
 
 
 def main():