diff --git a/Debian-stable/Dockerfile b/Debian-stable/Dockerfile
index c40584b..7551c51 100644
--- a/Debian-stable/Dockerfile
+++ b/Debian-stable/Dockerfile
@@ -32,6 +32,6 @@ RUN apt-get update && apt-get install -y \
 
 
 ENV CGAL_TEST_PLATFORM="Debian-Stable"
-ENV CGAL_CMAKE_FLAGS="(-DWITH_CGAL_Qt5=OFF \")"
+ENV CGAL_CMAKE_FLAGS="(\"-DWITH_CGAL_Qt5=OFF \")"
 ENV INIT_FILE=/tmp/init.cmake
 COPY init.cmake /tmp/init.cmake
diff --git a/Debian-testing-clang-main/Dockerfile b/Debian-testing-clang-main/Dockerfile
index 4913844..e723497 100644
--- a/Debian-testing-clang-main/Dockerfile
+++ b/Debian-testing-clang-main/Dockerfile
@@ -6,7 +6,7 @@ RUN apt-get update -y && apt-get install -y wget \
 && wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc \
 && echo 'deb http://apt.llvm.org/unstable/ llvm-toolchain main' > /etc/apt/sources.list.d/llvm.list \
 && apt-get update -y \
-&& apt-get install -y clang \
+&& apt-get install -y clang cmake make \
 && apt-get clean all
 
 ENV CXX=/usr/bin/clang++