diff --git a/docker-containers/base/overlay-common/bin/instl b/docker-containers/base/overlay-common/bin/instl
index a6fbd1c..597f8ee 100755
--- a/docker-containers/base/overlay-common/bin/instl
+++ b/docker-containers/base/overlay-common/bin/instl
@@ -4,60 +4,58 @@ APP_USER=${APP_USER:-appuser}
 
 install_app() {
   echo "Installing ${APP_NAME}..."
-  install -m 0755 /var/cache/scripts/template /target/${APP_NAME}
+  install -m 0755 /var/cache/scripts/template "/target/${APP_NAME}"
   if [[ -n "${APP_REPO}" ]]; then
     echo "Updating image repo to ${APP_REPO}..."
-    sed -i -e s%"-hurricane"%"-${APP_REPO}"%1 /target/${APP_NAME}
+    sed -i -e "s%-hurricane%-${APP_REPO}%1" "/target/${APP_NAME}"
   fi
 
   if [[ "${APP_USER}" != "appuser" ]] && [[ -n "${APP_USER}" ]]; then
     echo "Updating user to ${APP_USER}..."
-    sed -i -e s%"^\(APP_USER=\)\${APP_USER:-\$USER}"%"\1${APP_USER}"%1 /target/${APP_NAME}
+    sed -i -e "s%^\(APP_USER=\)\${APP_USER:-\$USER}%\1${APP_USER}%1" "/target/${APP_NAME}"
   fi
 
   if [[ -n "${APP_CONFIG}" ]]; then
     echo "Updating data directory to ${APP_CONFIG}..."
-    sed -i -e s%"\(APP_CONFIG=\).*"%"\1\"${APP_CONFIG}\""%1 /target/${APP_NAME}
+    sed -i -e "s%\(APP_CONFIG=\).*%\1\"${APP_CONFIG}\"%1" "/target/${APP_NAME}"
   fi
 
   if [[ -n "${APP_GCONFIG}" ]]; then
     echo "Updating container data directory to ${APP_GCONFIG}..."
-    sed -i -e s%"^\(APP_GCONFIG=\).*"%"\1\"${APP_GCONFIG}\""%1 /target/${APP_NAME}
+    sed -i -e "s%^\(APP_GCONFIG=\).*%\1\"${APP_GCONFIG}\"%1" "/target/${APP_NAME}"
   fi
 
   if [[ "${UMASK}" != "002" ]]; then
     echo "Updating application umask to ${UMASK}..."
-    sed -i -e s%"^\(UMASK=\).*$"%"\1\"${UMASK}\""%1 /target/${APP_NAME}
+    sed -i -e "s%^\(UMASK=\).*$%\1\"${UMASK}\"%1" "/target/${APP_NAME}"
   fi
 
   if [[ "${EDGE}" != "0" ]]; then
     echo "Enabling updates on start-up..."
-    sed -i -e s%"^\(EDGE=\).*$"%"\1\"${EDGE}\""%1 /target/${APP_NAME}
+    sed -i -e "s%^\(EDGE=\).*$%\1\"${EDGE}\"%1" "/target/${APP_NAME}"
   fi
 
-  sed -i -e s%"=\"IMG_NAME\""%"=\"${IMG_NAME}\""%1 /target/${APP_NAME}
-  sed -i -e s%"=\"TAG_NAME\""%"=\"${TAG_NAME}\""%1 /target/${APP_NAME}
+  sed -i -e "s%=\"IMG_NAME\"%=\"${IMG_NAME}\"%1" "/target/${APP_NAME}"
+  sed -i -e "s%=\"TAG_NAME\"%=\"${TAG_NAME}\"%1" "/target/${APP_NAME}"
 }
 
 install_service() {
   RED='\033[0;31m'
   NC='\033[0m'
   echo "Installing ${APP_NAME} Service..."
-  install -m 0644 /var/cache/systemd/template@.service /target/${APP_NAME}@.service
-  sed -i -e s%":TAG_NAME"%":${TAG_NAME}"%1 /target/${APP_NAME}.service
-  sed -i -e s%"/IMG_NAME"%"/${IMG_NAME}"%1 /target/${APP_NAME}.service
-  sed -i -e s%"APP_NAME"%"${APP_NAME}"%1 /target/${APP_NAME}.service
-  sed -i -e s%"APP_REPO"%"${APP_REPO}"%1 /target/${APP_NAME}.service
+  install -m 0644 /var/cache/systemd/template@.service "/target/${APP_NAME}@.service"
+  sed -i -e "s%:TAG_NAME%:${TAG_NAME}%1" "/target/${APP_NAME}@.service"
+  sed -i -e "s%/IMG_NAME%/${IMG_NAME}%1" "/target/${APP_NAME}@.service"
+  sed -i -e "s%APP_NAME%${APP_NAME}%1" "/target/${APP_NAME}@.service"
+  sed -i -e "s%APP_REPO%${APP_REPO}%1" "/target/${APP_NAME}@.service"
   echo -e "${RED}Please run: sudo systemctl daemon-reload"
   echo -e "${RED}To start run: sudo systemctl start ${APP_NAME}@\$USERNAME${NC}"
 }
 
 if [[ -z "$1" ]]; then
   install_app
-else
-  if [[ "$1" -eq "service" ]]; then
-    if [[ -f /var/cache/systemd/template@.service ]]; then
-      install_service
-    fi
+elif [[ "$1" == "service" ]]; then
+  if [[ -f /var/cache/systemd/template@.service ]]; then
+    install_service
   fi
 fi