diff --git a/action.yml b/action.yml
index f5c1a43..9417a97 100644
--- a/action.yml
+++ b/action.yml
@@ -8,7 +8,7 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - run: sudo bash ${{ github.action_path }}/install.sh -b /usr/local/bin -d ${TFCMT_VERSION}
+    - run: sudo bash ${{ github.action_path }}/install.sh -b /usr/local/bin -d ${GITHUB_COMMENT_VERSION}
       shell: bash
       env:
         GITHUB_COMMENT_VERSION: ${{ inputs.version }}
diff --git a/install.sh b/install.sh
index 9c77bf6..172561e 100644
--- a/install.sh
+++ b/install.sh
@@ -326,7 +326,7 @@ hash_sha256_verify() {
   BASENAME=${TARGET##*/}
   log_debug $BASENAME
   log_debug $TARGET
-  want=$(grep "${BASENAME}" "${checksums}" 2>/dev/null | tr '\t' ' ' | cut -d ' ' -f 1)
+  want=$(grep "${BASENAME}$" "${checksums}" 2>/dev/null | tr '\t' ' ' | cut -d ' ' -f 1)
   if [ -z "$want" ]; then
     log_err "hash_sha256_verify unable to find checksum for '${TARGET}' in '${checksums}'"
     return 1