diff --git a/install-sonar-scanner-cli.sh b/install-sonar-scanner-cli.sh
index 57e458a..c4eac62 100755
--- a/install-sonar-scanner-cli.sh
+++ b/install-sonar-scanner-cli.sh
@@ -8,7 +8,7 @@ set -eou pipefail
 # - INPUT_SCANNERVERSION: e.g. 6.2.1.4610
 # - INPUT_SCANNERBINARIESURL: e.g. https://github.com/me/my-repo/raw/refs/heads/main/binaries
 
-if [[ "$RUNNER_OS" == "Linux" && "$RUNNER_ARCH" == "AMD64" ]]; then
+if [[ "$RUNNER_OS" == "Linux" && "$RUNNER_ARCH" == "amd64" ]]; then
      FLAVOR="linux-x64"
 elif [[ "$RUNNER_OS" == "Linux" && "$RUNNER_ARCH" == "ARM64" ]]; then
      FLAVOR="linux-aarch64"