diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index e05db053a..ae47ae059 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -26,7 +26,7 @@ RUN apt-get update && apt-get upgrade -y &&  \
 #    ./bootstrap && make && make install
 RUN wget -nv https://github.com/Kitware/CMake/releases/download/v3.27.2/cmake-3.27.2-linux-x86_64.sh && \
     mkdir /opt/cmake && sh ./cmake-3.27.2-linux-x86_64.sh --skip-license --prefix=/opt/cmake && ln -s /opt/cmake/bin/cmake /usr/bin/cmake && \
-    rm cmake-3.27.2-linux-x86_64.sh \
+    rm cmake-3.27.2-linux-x86_64.sh
 RUN ln -s /usr/bin/make /usr/bin/gmake