diff --git a/.clang-format b/.clang-format
index be0bd2d199252382ccf73864df8a1ed4a2acd32e..3750f7b5b8849db6f92e9d88b206ef30c8cd6e0d 100644
--- a/.clang-format
+++ b/.clang-format
@@ -65,7 +65,7 @@ IncludeCategories:
     Priority:        5
   - Regex:           '^"domain_decomposition/'
     Priority:        6
-  - Regex:           '^"domain_decomposition/'
+  - Regex:           '^"executiontree/'
     Priority:        7
   - Regex:           '^"fft/'
     Priority:        8