diff --git a/README.md b/README.md
index 060bd2ba..455d8b44 100644
--- a/README.md
+++ b/README.md
@@ -72,12 +72,12 @@ Thus, by running this script below, you agree with the Let's Encrypt's Terms of
 
    For Centos 7 type:
     ```
-    sh setup/install-centos7-https.sh mailtrain.example.com sbox.mailtrain.example.com lists.example.com admin@example.com
+    bash setup/install-centos7-https.sh mailtrain.example.com sbox.mailtrain.example.com lists.example.com admin@example.com
     ```
 
    For Ubuntu 18.04 LTS type:
     ```
-    sh setup/install-ubuntu1804-https.sh mailtrain.example.com sbox.mailtrain.example.com lists.example.com admin@example.com
+    bash setup/install-ubuntu1804-https.sh mailtrain.example.com sbox.mailtrain.example.com lists.example.com admin@example.com
     ```
 
 5. Start Mailtrain and enable to be started by default when your server starts.
@@ -128,12 +128,12 @@ All endpoints (trusted, sandbox, public) will provide only HTTP as follows:
 
    For Centos 7 type:
     ```
-    sh setup/install-centos7-local.sh
+    bash setup/install-centos7-local.sh
     ```
 
    For Ubuntu 18.04 LTS type:
     ```
-    sh setup/install-ubuntu1804-local.sh
+    bash setup/install-ubuntu1804-local.sh
     ```
 
 5. Start Mailtrain and enable to be started by default when your server starts.
diff --git a/setup/install-centos7-https.sh b/setup/install-centos7-https.sh
index 0ec60dfd..ee003a43 100644
--- a/setup/install-centos7-https.sh
+++ b/setup/install-centos7-https.sh
@@ -2,8 +2,10 @@
 
 set -e
 
+hostType=centos7
+
 SCRIPT_PATH=$(dirname $(realpath -s $0))
-. $SCRIPT_PATH/functions centos7
+. $SCRIPT_PATH/functions
 cd $SCRIPT_PATH/..
 
 performInstallHttps "$#" "$1" "$2" "$3" "$4"
\ No newline at end of file
diff --git a/setup/install-centos7-local.sh b/setup/install-centos7-local.sh
index 71ebabcb..dc8b7de8 100644
--- a/setup/install-centos7-local.sh
+++ b/setup/install-centos7-local.sh
@@ -2,8 +2,10 @@
 
 set -e
 
+hostType=centos7
+
 SCRIPT_PATH=$(dirname $(realpath -s $0))
-. $SCRIPT_PATH/functions centos7
+. $SCRIPT_PATH/functions
 cd $SCRIPT_PATH/..
 
 performInstallLocal "$#"
\ No newline at end of file