diff --git a/scripts/tag-release.sh b/scripts/tag-release.sh
index 288c4f16..7b52c169 100755
--- a/scripts/tag-release.sh
+++ b/scripts/tag-release.sh
@@ -19,7 +19,7 @@ function get_version {
     fi
 }
 
-get_version ./bin/doctum.php
+get_version "${PHP_BIN:-php} ./bin/doctum.php"
 
 echo "Version: ${VERSION}"