diff --git a/devops/build-scripts/xenial/Pool_Party/Dockerfile b/devops/build-scripts/xenial/Pool_Party/Dockerfile
index 9bfbbe54..ad412de5 100644
--- a/devops/build-scripts/xenial/Pool_Party/Dockerfile
+++ b/devops/build-scripts/xenial/Pool_Party/Dockerfile
@@ -56,9 +56,9 @@ ARG python3_indy_crypto_ver=0.4.1
 ARG indy_crypto_ver=0.4.0
 ARG indy_plenum_ver=1.6.50
 
-# this should be left blank because the prep will supply the correct version number 
-ARG sovtoken_pkg_name=
-ARG sovtokenfees_pkg_name=
+ 
+ARG sovtoken_pkg_name=sovtoken_0.9.1_amd64.deb
+ARG sovtokenfees_pkg_name=sovtokenfees_0.9.1_amd64.deb
 
 COPY ${sovtoken_pkg_name} /root
 COPY ${sovtokenfees_pkg_name} /root
diff --git a/devops/build-scripts/xenial/Pool_Party/prep b/devops/build-scripts/xenial/Pool_Party/prep
index 1c834955..5f4d6449 100755
--- a/devops/build-scripts/xenial/Pool_Party/prep
+++ b/devops/build-scripts/xenial/Pool_Party/prep
@@ -10,6 +10,6 @@ echo "Your current sovtoken debian package: $fpn \n"
 
 
 echo "summoning warlocks to correct debian package names in the pool dockerfile\n"
-sed -i -r "s/sovtoken_pkg_name=/sovtoken_pkg_name=$tpn/" "devops/build-scripts/xenial/Pool_Party/Dockerfile"
-sed -i -r "s/sovtokenfees_pkg_name=/sovtokenfees_pkg_name=$tpn/" "devops/build-scripts/xenial/Pool_Party/Dockerfile" 
+sed -i -r "s/sovtoken_pkg_name=sovtoken_[0-9]\.[0-9]\.[0-9]_amd64.deb/sovtoken_pkg_name=$tpn/" "devops/build-scripts/xenial/Pool_Party/Dockerfile"
+sed -i -r "s/sovtokenfees_pkg_name=sovtokenfees_[0-9]\.[0-9]\.[0-9]_amd64.deb/sovtokenfees_pkg_name=$fpn/" "devops/build-scripts/xenial/Pool_Party/Dockerfile"