diff --git a/cli/cli.go b/cli/cli.go
index d8e2da3..bac6694 100644
--- a/cli/cli.go
+++ b/cli/cli.go
@@ -66,7 +66,7 @@ import (
 // App info
 const (
 	APP  = "RBInstall"
-	VER  = "3.0.3"
+	VER  = "3.0.4"
 	DESC = "Utility for installing prebuilt Ruby versions to RBEnv"
 )
 
@@ -182,6 +182,7 @@ var colorTagApp string
 var colorTagVer string
 
 var useRawOutput = false
+var noProgress = false
 
 // ////////////////////////////////////////////////////////////////////////////////// //
 
@@ -279,6 +280,11 @@ func configureUI() {
 	progress.DefaultSettings.ProgressColorTag = "{s}"
 	progress.DefaultSettings.SpeedColorTag = "{s}"
 	progress.DefaultSettings.RemainingColorTag = "{s}"
+
+	if os.Getenv("CI") != "" || options.GetB(OPT_NO_PROGRESS) {
+		spinner.DisableAnimation = true
+		noProgress = true
+	}
 }
 
 // prepare do some preparations for installing ruby
@@ -671,7 +677,7 @@ func installCommand(rubyVersion string) {
 	spinner.SpinnerColorTag = "{" + categoryColor[category] + "}"
 	fmtc.NameColor("category", "{"+categoryColor[category]+"}")
 
-	if !options.GetB(OPT_NO_PROGRESS) {
+	if !noProgress {
 		fmtc.Printf("Fetching {*}{?category}%s{!} from storage…\n", info.Name)
 		file, err = downloadFile(info)
 	} else {
@@ -697,7 +703,7 @@ func installCommand(rubyVersion string) {
 
 	// //////////////////////////////////////////////////////////////////////////////// //
 
-	if !options.GetB(OPT_NO_PROGRESS) {
+	if !noProgress {
 		fmtc.Printf("Unpacking {*}{?category}%s{!} data…\n", info.Name)
 		err = unpackFile(file, getUnpackDirPath())
 	} else {
@@ -1161,7 +1167,7 @@ func downloadFile(info *index.VersionInfo) (string, error) {
 		return "", fmtc.Errorf("Server return error code %d", resp.StatusCode)
 	}
 
-	if options.GetB(OPT_NO_PROGRESS) {
+	if noProgress {
 		_, err = io.Copy(fd, resp.Body)
 	} else {
 		pb := progress.New(resp.ContentLength, "")
@@ -1183,7 +1189,7 @@ func unpackFile(file, outputDir string) error {
 		return fmt.Errorf("Can't unpack %s: %w", file, err)
 	}
 
-	if options.GetB(OPT_NO_PROGRESS) {
+	if noProgress {
 		err = tzst.Read(bufio.NewReader(fd), outputDir)
 	} else {
 		pb := progress.New(fsutil.GetSize(file), "")
@@ -1595,7 +1601,7 @@ func getSystemInfo() (string, string, error) {
 	}
 
 	if strings.Contains(osInfo.IDLike, "rhel") {
-		os = fmt.Sprintf("rhel-%d", osVersion.Major())
+		os = fmt.Sprintf("el-%d", osVersion.Major())
 	} else {
 		os = fmt.Sprintf("%s-%d", osInfo.ID, osVersion.Major())
 	}
diff --git a/common/alias.json b/common/alias.json
index b5246f1..c9c6b42 100644
--- a/common/alias.json
+++ b/common/alias.json
@@ -1,5 +1,8 @@
 {
-  "ol-7": "rhel-7",
-  "ol-8": "rhel-8",
-  "ol-9": "rhel-9"
+  "ol-7": "el-7",
+  "ol-8": "el-8",
+  "ol-9": "el-9",
+  "rhel-7": "el-7",
+  "rhel-8": "el-8",
+  "rhel-9": "el-9"
 }
diff --git a/common/rbinstall.spec b/common/rbinstall.spec
index b1b37c4..723cd25 100644
--- a/common/rbinstall.spec
+++ b/common/rbinstall.spec
@@ -10,7 +10,7 @@
 
 Summary:        Utility for installing prebuilt Ruby to rbenv
 Name:           rbinstall
-Version:        3.0.3
+Version:        3.0.4
 Release:        0%{?dist}
 Group:          Applications/System
 License:        Apache License, Version 2.0
@@ -118,6 +118,10 @@ rm -rf %{buildroot}
 ################################################################################
 
 %changelog
+* Tue May 23 2023 Anton Novojilov <andy@essentialkaos.com> - 3.0.4-0
+- Fixed bug with disabling spinner animation
+- Minor code refactoring
+
 * Thu May 18 2023 Anton Novojilov <andy@essentialkaos.com> - 3.0.3-0
 - [cli] Don't install documentation while updating RubyGems gem
 - Disable using EK rubygems proxy by default