diff --git a/Dockerfile-msphpsql b/Dockerfile-msphpsql
index c3cd0d6ab..43435eb3f 100644
--- a/Dockerfile-msphpsql
+++ b/Dockerfile-msphpsql
@@ -45,7 +45,7 @@ RUN export DEBIAN_FRONTEND=noninteractive && apt-get update && ACCEPT_EULA=Y apt
 ENV PATH="/opt/mssql-tools/bin:${PATH}"	
 
 #install coveralls
-RUN pip install --upgrade --user pip && pip install cpp-coveralls
+RUN python -m pip install --upgrade pip && pip install cpp-coveralls
 
 #Either Install git / download zip (One can see other strategies : https://ryanfb.github.io/etc/2015/07/29/git_strategies_for_docker.html )
 #One option is to get source from zip file of repository.