diff --git a/mingw-w64-nfft/PKGBUILD b/mingw-w64-nfft/PKGBUILD
index 5963879543..7ecc35ecba 100644
--- a/mingw-w64-nfft/PKGBUILD
+++ b/mingw-w64-nfft/PKGBUILD
@@ -9,7 +9,7 @@ pkgdesc="Library for computing Non-uniform Fast Fourier Transforms (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
 url='https://www-user.tu-chemnitz.de/~potts/nfft/'
-license=('spdx: GPL-2.0-or-later')
+license=('spdx:GPL-2.0-or-later')
 depends=(
   "${MINGW_PACKAGE_PREFIX}-gcc-libs"
   "${MINGW_PACKAGE_PREFIX}-omp"