diff --git a/Dockerfile b/Dockerfile
index f396a02..b9f40b1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,10 @@
 FROM python:3.9.6
 
 ARG NEXUS_TOKEN
-
-ENV PIP_INDEX https://${(echo $NEXUS_TOKEN | base64 -d | cut -d ":" -f1)}:${(echo $NEXUS_TOKEN | base64 -d | cut -d ":" -f2)}@artifact.it.getyardstick.com/repository/meazurelearning-pypi-internal/pypi
-ENV PIP_INDEX_URL https://${(echo $NEXUS_TOKEN | base64 -d | cut -d ":" -f1)}:${(echo $NEXUS_TOKEN | base64 -d | cut -d ":" -f2)}@artifact.it.getyardstick.com/repository/meazurelearning-pypi-internal/simple
+RUN export PIP_USERNAME=`(echo $NEXUS_TOKEN | base64 -d | cut -d ":" -f1)`
+RUN export PIP_PASSWORD=`(echo $NEXUS_TOKEN | base64 -d | cut -d ":" -f2)`
+ENV PIP_INDEX https://${PIP_USERNAME}:${PIP_PASSWORD}@artifact.it.getyardstick.com/repository/meazurelearning-pypi-internal/pypi
+ENV PIP_INDEX_URL https://${PIP_USERNAME}:${PIP_PASSWORD}@artifact.it.getyardstick.com/repository/meazurelearning-pypi-internal/simple
 ENV EXTRA_INDEX https://pypi.python.org/pypi
 ENV EXTRA_INDEX_URL https://pypi.python.org/simple/