diff --git a/advanced/Scripts/piholeCheckout.sh b/advanced/Scripts/piholeCheckout.sh
index 4c0a4f40..7c4a1f77 100755
--- a/advanced/Scripts/piholeCheckout.sh
+++ b/advanced/Scripts/piholeCheckout.sh
@@ -9,7 +9,7 @@
 # Please see LICENSE file for your rights under this license.
 
 readonly PI_HOLE_FILES_DIR="/etc/.pihole"
-PH_TEST="true"
+SKIP_INSTALL="true"
 source "${PI_HOLE_FILES_DIR}/automated install/basic-install.sh"
 
 # webInterfaceGitUrl set in basic-install.sh
diff --git a/advanced/Scripts/update.sh b/advanced/Scripts/update.sh
index 9da85c89..609a054b 100755
--- a/advanced/Scripts/update.sh
+++ b/advanced/Scripts/update.sh
@@ -17,7 +17,7 @@ readonly PI_HOLE_GIT_URL="https://github.com/pi-hole/pi-hole.git"
 readonly PI_HOLE_FILES_DIR="/etc/.pihole"
 
 # shellcheck disable=SC2034
-PH_TEST=true
+SKIP_INSTALL=true
 
 # when --check-only is passed to this script, it will not perform the actual update
 CHECK_ONLY=false
diff --git a/advanced/Scripts/webpage.sh b/advanced/Scripts/webpage.sh
index 279de9e9..29c53bd6 100755
--- a/advanced/Scripts/webpage.sh
+++ b/advanced/Scripts/webpage.sh
@@ -24,8 +24,8 @@ readonly gravityDBfile="/etc/pihole/gravity.db"
 
 # Source install script for ${setupVars}, ${PI_HOLE_BIN_DIR} and valid_ip()
 readonly PI_HOLE_FILES_DIR="/etc/.pihole"
-# shellcheck disable=SC2034  # used in basic-install
-PH_TEST="true"
+# shellcheck disable=SC2034  # used in basic-install to source the script without running it
+SKIP_INSTALL="true"
 source "${PI_HOLE_FILES_DIR}/automated install/basic-install.sh"
 
 utilsfile="/opt/pihole/utils.sh"
diff --git a/automated install/basic-install.sh b/automated install/basic-install.sh
index fd4ba1e6..95764b7d 100755
--- a/automated install/basic-install.sh	
+++ b/automated install/basic-install.sh	
@@ -2864,6 +2864,7 @@ main() {
     fi
 }
 
-if [[ "${PH_TEST}" != true ]] ; then
+# allow to source this script without running it
+if [[ "${SKIP_INSTALL}" != true ]] ; then
     main "$@"
 fi
diff --git a/automated install/uninstall.sh b/automated install/uninstall.sh
index a0bb2e5b..a58ad753 100755
--- a/automated install/uninstall.sh	
+++ b/automated install/uninstall.sh	
@@ -36,7 +36,7 @@ else
 fi
 
 readonly PI_HOLE_FILES_DIR="/etc/.pihole"
-PH_TEST="true"
+SKIP_INSTALL="true"
 source "${PI_HOLE_FILES_DIR}/automated install/basic-install.sh"
 # setupVars set in basic-install.sh
 source "${setupVars}"
diff --git a/test/_centos_7.Dockerfile b/test/_centos_7.Dockerfile
index ccffc00d..b97f1679 100644
--- a/test/_centos_7.Dockerfile
+++ b/test/_centos_7.Dockerfile
@@ -13,7 +13,7 @@ ADD test/centos7.epel.override /etc/yum/pluginconf.d/fastestmirror.conf
 RUN true && \
     chmod +x $SCRIPTDIR/*
 
-ENV PH_TEST true
+ENV SKIP_INSTALL true
 ENV OS_CHECK_DOMAIN_NAME dev-supportedos.pi-hole.net
 
 #sed '/# Start the installer/Q' /opt/pihole/basic-install.sh > /opt/pihole/stub_basic-install.sh && \
diff --git a/test/_centos_8.Dockerfile b/test/_centos_8.Dockerfile
index 86e5a778..2a894587 100644
--- a/test/_centos_8.Dockerfile
+++ b/test/_centos_8.Dockerfile
@@ -12,7 +12,7 @@ ENV PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$SCRIPTDIR
 RUN true && \
     chmod +x $SCRIPTDIR/*
 
-ENV PH_TEST true
+ENV SKIP_INSTALL true
 ENV OS_CHECK_DOMAIN_NAME dev-supportedos.pi-hole.net
 
 #sed '/# Start the installer/Q' /opt/pihole/basic-install.sh > /opt/pihole/stub_basic-install.sh && \
diff --git a/test/_debian_10.Dockerfile b/test/_debian_10.Dockerfile
index 54800d3c..3b177cc8 100644
--- a/test/_debian_10.Dockerfile
+++ b/test/_debian_10.Dockerfile
@@ -11,7 +11,7 @@ ENV PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$SCRIPTDIR
 RUN true && \
     chmod +x $SCRIPTDIR/*
 
-ENV PH_TEST true
+ENV SKIP_INSTALL true
 ENV OS_CHECK_DOMAIN_NAME dev-supportedos.pi-hole.net
 
 #sed '/# Start the installer/Q' /opt/pihole/basic-install.sh > /opt/pihole/stub_basic-install.sh && \
diff --git a/test/_debian_11.Dockerfile b/test/_debian_11.Dockerfile
index 39be027e..58c67e0f 100644
--- a/test/_debian_11.Dockerfile
+++ b/test/_debian_11.Dockerfile
@@ -11,7 +11,7 @@ ENV PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$SCRIPTDIR
 RUN true && \
     chmod +x $SCRIPTDIR/*
 
-ENV PH_TEST true
+ENV SKIP_INSTALL true
 ENV OS_CHECK_DOMAIN_NAME dev-supportedos.pi-hole.net
 
 #sed '/# Start the installer/Q' /opt/pihole/basic-install.sh > /opt/pihole/stub_basic-install.sh && \
diff --git a/test/_fedora_34.Dockerfile b/test/_fedora_34.Dockerfile
index fbbaacd6..9c90ce7d 100644
--- a/test/_fedora_34.Dockerfile
+++ b/test/_fedora_34.Dockerfile
@@ -12,7 +12,7 @@ ENV PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$SCRIPTDIR
 RUN true && \
     chmod +x $SCRIPTDIR/*
 
-ENV PH_TEST true
+ENV SKIP_INSTALL true
 ENV OS_CHECK_DOMAIN_NAME dev-supportedos.pi-hole.net
 
 #sed '/# Start the installer/Q' /opt/pihole/basic-install.sh > /opt/pihole/stub_basic-install.sh && \
diff --git a/test/_ubuntu_18.Dockerfile b/test/_ubuntu_18.Dockerfile
index 592c5c3f..47f1893e 100644
--- a/test/_ubuntu_18.Dockerfile
+++ b/test/_ubuntu_18.Dockerfile
@@ -11,7 +11,7 @@ ENV PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$SCRIPTDIR
 RUN true && \
     chmod +x $SCRIPTDIR/*
 
-ENV PH_TEST true
+ENV SKIP_INSTALL true
 ENV OS_CHECK_DOMAIN_NAME dev-supportedos.pi-hole.net
 
 #sed '/# Start the installer/Q' /opt/pihole/basic-install.sh > /opt/pihole/stub_basic-install.sh && \
diff --git a/test/_ubuntu_20.Dockerfile b/test/_ubuntu_20.Dockerfile
index 80e2e007..c63f883a 100644
--- a/test/_ubuntu_20.Dockerfile
+++ b/test/_ubuntu_20.Dockerfile
@@ -12,7 +12,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN true && \
     chmod +x $SCRIPTDIR/*
 
-ENV PH_TEST true
+ENV SKIP_INSTALL true
 ENV OS_CHECK_DOMAIN_NAME dev-supportedos.pi-hole.net
 
 #sed '/# Start the installer/Q' /opt/pihole/basic-install.sh > /opt/pihole/stub_basic-install.sh && \
diff --git a/test/_ubuntu_21.Dockerfile b/test/_ubuntu_21.Dockerfile
index 6d4d7fbc..05801de8 100644
--- a/test/_ubuntu_21.Dockerfile
+++ b/test/_ubuntu_21.Dockerfile
@@ -12,7 +12,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN true && \
     chmod +x $SCRIPTDIR/*
 
-ENV PH_TEST true
+ENV SKIP_INSTALL true
 ENV OS_CHECK_DOMAIN_NAME dev-supportedos.pi-hole.net
 
 #sed '/# Start the installer/Q' /opt/pihole/basic-install.sh > /opt/pihole/stub_basic-install.sh && \
diff --git a/test/_ubuntu_22.Dockerfile b/test/_ubuntu_22.Dockerfile
index f9876d50..d44518b4 100644
--- a/test/_ubuntu_22.Dockerfile
+++ b/test/_ubuntu_22.Dockerfile
@@ -12,7 +12,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN true && \
     chmod +x $SCRIPTDIR/*
 
-ENV PH_TEST true
+ENV SKIP_INSTALL true
 ENV OS_CHECK_DOMAIN_NAME dev-supportedos.pi-hole.net
 
 #sed '/# Start the installer/Q' /opt/pihole/basic-install.sh > /opt/pihole/stub_basic-install.sh && \