diff --git a/docs/getting-started/installation.md b/docs/getting-started/installation.md
index 59e6635fc9..50eb0ed509 100644
--- a/docs/getting-started/installation.md
+++ b/docs/getting-started/installation.md
@@ -7,10 +7,11 @@
     Add repository setting to `/etc/yum.repos.d`.
 
     ``` bash
+    RELEASE_VERSION=$(grep -Po '(?<=VERSION_ID=")[0-9]' /etc/os-release) 
     cat << EOF | sudo tee -a /etc/yum.repos.d/trivy.repo
     [trivy]
     name=Trivy repository
-    baseurl=https://aquasecurity.github.io/trivy-repo/rpm/releases/$releasever/$basearch/
+    baseurl=https://aquasecurity.github.io/trivy-repo/rpm/releases/$RELEASE_VERSION/\$basearch/
     gpgcheck=0
     enabled=1
     EOF