diff --git a/.github/workflows/action.yml b/.github/workflows/action.yml
index 8b4e1c3..c3b54e5 100644
--- a/.github/workflows/action.yml
+++ b/.github/workflows/action.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: deploy with sh script
-        run: sh -c "$(curl -fsSL https://raw.githubusercontent.com/IgorKha/Grafana-Mikrotik/master/run.sh)" ""
+        run: curl -fsSL https://raw.githubusercontent.com/IgorKha/Grafana-Mikrotik/master/run.sh | bash -s --
         
       - name: Test Grafana
         run: sleep 5 && curl -ILsS --retry 5 --retry-delay 2 "http://localhost:3000/login"
diff --git a/README.md b/README.md
index f3ef169..0081397 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@
 ### Deploy with sh script
 
 ```console
-sh -c "$(curl -fsSL https://raw.githubusercontent.com/IgorKha/Grafana-Mikrotik/master/run.sh)" "" --config
+curl -fsSL https://raw.githubusercontent.com/IgorKha/Grafana-Mikrotik/master/run.sh | bash -s -- --config
 ```
 
 ```console
diff --git a/run.sh b/run.sh
index 232129b..0df304c 100755
--- a/run.sh
+++ b/run.sh
@@ -62,10 +62,10 @@ ask() {
 }
 
 command_exists() {
-    command -v "$@" || {
+    command -v "$@" >/dev/null 2>&1 || {
         fmt_error "$* is not installed. Please install $* first."
         exit 1
-    } 
+    }
 }
 
 fmt_error() {
@@ -94,7 +94,7 @@ clone_git() {
 
 router_ip() {
     if [[ "${CONFIG}" = yes ]]; then
-        IP=$(grep -R 'MIKROTIK_IP' "${ENV_FILE}" 2>&1 | cut -d= -f2)
+        IP=$(grep -R 'MIKROTIK_IP' "${ENV_FILE}" | cut -d= -f2)
         echo -e "\n${BLUE}===================================="
         echo -e "\n${BOLD}Prometheus${RESET}\n"
         if ask "Change target mikrotik IP address ? (current ${IP})" Y; then