diff --git a/content/en/system_config/installation.md b/content/en/system_config/installation.md
index 880ca7da..3d79542c 100644
--- a/content/en/system_config/installation.md
+++ b/content/en/system_config/installation.md
@@ -28,7 +28,7 @@ sudo chmod +x /usr/local/bin/cosign
 # rpm
 LATEST_VERSION=$(curl https://api.github.com/repos/sigstore/cosign/releases/latest | grep tag_name | cut -d : -f2 | tr -d "v\", ")
 curl -O -L "https://github.com/sigstore/cosign/releases/latest/download/cosign-${LATEST_VERSION}-1.x86_64.rpm"
-sudo rpm -ivh cosign-${LATEST_VERSION}.x86_64.rpm
+sudo rpm -ivh cosign-${LATEST_VERSION}-1.x86_64.rpm
 
 # dkpg
 LATEST_VERSION=$(curl https://api.github.com/repos/sigstore/cosign/releases/latest | grep tag_name | cut -d : -f2 | tr -d "v\", ")