diff --git a/cflow/PKGBUILD b/cflow/PKGBUILD
index 66f5d961..7bfcbfe0 100644
--- a/cflow/PKGBUILD
+++ b/cflow/PKGBUILD
@@ -8,7 +8,7 @@ url="https://www.gnu.org/software/cflow/"
 depends=('libintl' 'libiconv')
 msys2_repository_url="https://cgit.git.savannah.gnu.org/cgit/cflow.git"
 msys2_references=(
-  cpe: cpe:2.3:a:gnu:cflow
+  "cpe: cpe:2.3:a:gnu:cflow"
 )
 makedepends=('flex' 'gettext-devel' 'libiconv-devel' 'autotools' 'gcc')
 source=(https://ftp.gnu.org/gnu/cflow/${pkgname}-${pkgver}.tar.xz)