diff --git a/containers/debian/base.Dockerfile b/containers/debian/base.Dockerfile
index 88a2fd1b1ba567102345fc329d98e8288fe63b8b..1542bfbdba5aa03803775b64c69e770da735ecda 100644
--- a/containers/debian/base.Dockerfile
+++ b/containers/debian/base.Dockerfile
@@ -104,8 +104,8 @@ update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++${GCC} 100
 update-alternatives --install /usr/bin/gfortran gfortran /usr/bin/gfortran${GCC} 100
 update-alternatives --install /usr/bin/clang clang /usr/bin/clang${CLANG} 100
 update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++${CLANG} 100
-update-alternatives --install /usr/bin/clang-tidy-diff clang-tidy-diff /usr/bin/clang-tidy-diff${CLANG} 100
-update-alternatives --install /usr/bin/run-clang-tidy run-clang-tidy /usr/bin/run-clang-tidy${CLANG} 100
+update-alternatives --install /usr/bin/clang-tidy-diff clang-tidy-diff /usr/bin/clang-tidy-diff${CLANG}.py 100
+update-alternatives --install /usr/bin/run-clang-tidy run-clang-tidy /usr/bin/run-clang-tidy${CLANG}.py 100
 # Default to gcc
 update-alternatives --install /usr/bin/cc  cc  /usr/bin/gcc 100
 update-alternatives --install /usr/bin/c++ c++ /usr/bin/g++ 100