diff --git a/.clang-format b/.clang-format
index 2455d712759..724fcce0b78 100644
--- a/.clang-format
+++ b/.clang-format
@@ -3,3 +3,6 @@ BasedOnStyle: Google
 # Google style has a default of 80 lines, but clang-format 7 disregards it in
 # a weird case in modtrezorio-fatfs.h. Setting it explicitly helps.
 ColumnLimit: 80
+# This setting differs between clang-format 7 and 9.
+# Let's set it explicitly to v7 value
+IncludeBlocks: Preserve