diff --git a/bin/build-release.sh b/bin/build-release.sh
index cd702b7c59b65eb8324078d968e41d0f69e63f64..c2b880b4a089b6d2253ae0fa937857685e3ebff4 100755
--- a/bin/build-release.sh
+++ b/bin/build-release.sh
@@ -41,7 +41,7 @@ if [ ! -x "$TARGET/composer.phar" ]; then
 fi
 
 # Set the version in composer.json
-php "$TARGET/composer.phar" config version "$VERSION" -d "$TARGET"
+php "$TARGET/composer.phar" config version "v$VERSION" -d "$TARGET"
 
 # Install dependencies (without vcs history or dev tools)
 php "$TARGET/composer.phar" install --no-dev --prefer-dist -o -d "$TARGET"