diff --git a/builder b/builder
index d10157d..3ba6706 100755
--- a/builder
+++ b/builder
@@ -8,7 +8,7 @@ prog='$(basename "$0")'
 source environment
 
 version=$1
-package=python${version:0:3}
+package=python$(echo ${version} | cut -d'.' -f1-2)
 package_name=$package
 
 echo "$(date) setting global vars..."
diff --git a/environment b/environment
index b0da374..4b8ea9b 100644
--- a/environment
+++ b/environment
@@ -6,4 +6,4 @@ dl_suffix=tgz
 dpkg_depends="zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev wget"
 configure_extra_params="--enable-optimizations"
 make_test=0
-install_param="altinstall"
+install_param="install"