diff --git a/tools/check-formatting.sh b/tools/check-formatting.sh
index c68287d6..635a9e8a 100755
--- a/tools/check-formatting.sh
+++ b/tools/check-formatting.sh
@@ -8,6 +8,8 @@ source tools/sources.sh
 
 ALL_OK=1
 
+clang-format --version
+
 for f in ${SOURCES[@]}
 do
     clang-format -n $f 2>&1 | tee -a /tmp/clang-format-output | grep -q ^