diff --git a/.github/workflows/muelu_clangd_format.yml b/.github/workflows/muelu_clangd_format.yml
index dc640d5c1201..a6482dfdc256 100644
--- a/.github/workflows/muelu_clangd_format.yml
+++ b/.github/workflows/muelu_clangd_format.yml
@@ -15,4 +15,5 @@ jobs:
         extensions: 'cpp,hpp'
 	# the action uses clang-format 8.0.1 when clang-format 8 is specified
         clangFormatVersion: 8
+	style: file
         inplace: False
\ No newline at end of file