diff --git a/multinode-demo/leader.sh b/multinode-demo/leader.sh
index 2f7e8edbc5..6d9e5a098e 100755
--- a/multinode-demo/leader.sh
+++ b/multinode-demo/leader.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
-here=$(dirname $0)
+here=$(dirname "$0")
+
+# shellcheck source=/dev/null
 . "${here}"/myip.sh
 
 myip=$(myip) || exit $?
diff --git a/multinode-demo/myip.sh b/multinode-demo/myip.sh
index 084046026e..ea63a923aa 100755
--- a/multinode-demo/myip.sh
+++ b/multinode-demo/myip.sh
@@ -30,7 +30,7 @@ Please choose the IP address you want to advertise to the network:
 "
   done
 
-  while read -p "${prompt}
+  while read -r -p "${prompt}
 please enter a number [0 for default]: " which
   do
     [[ -z ${which} ]] && break;
@@ -46,7 +46,7 @@ please enter a number [0 for default]: " which
 
 }
 
-if [[ ${0} == ${BASH_SOURCE[0]} ]]
+if [[ ${0} == "${BASH_SOURCE[0]}" ]]
 then
     myip "$@"
 fi
diff --git a/multinode-demo/setup.sh b/multinode-demo/setup.sh
index 1f393782e3..3c68abccab 100755
--- a/multinode-demo/setup.sh
+++ b/multinode-demo/setup.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
-here=$(dirname $0)
+here=$(dirname "$0")
+
+# shellcheck source=/dev/null
 . "${here}"/myip.sh
 
 myip=$(myip) || exit $?
diff --git a/multinode-demo/validator.sh b/multinode-demo/validator.sh
index 499c42c86a..5bba1005bf 100755
--- a/multinode-demo/validator.sh
+++ b/multinode-demo/validator.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
-here=$(dirname $0)
+here=$(dirname "$0")
+
+# shellcheck source=/dev/null
 . "${here}"/myip.sh
 
 leader=$1