diff --git a/var/spack/repos/builtin/packages/camp/package.py b/var/spack/repos/builtin/packages/camp/package.py
index c76b5da2679..353753ccb65 100644
--- a/var/spack/repos/builtin/packages/camp/package.py
+++ b/var/spack/repos/builtin/packages/camp/package.py
@@ -46,6 +46,7 @@ def cmake_args(self):
 
             if not spec.satisfies('cuda_arch=none'):
                 cuda_arch = spec.variants['cuda_arch'].value
+                options.append('-DCMAKE_CUDA_ARCHITECTURES={0}'.format(cuda_arch[0]))
                 options.append('-DCUDA_ARCH=sm_{0}'.format(cuda_arch[0]))
                 flag = '-arch sm_{0}'.format(cuda_arch[0])
                 options.append('-DCMAKE_CUDA_FLAGS:STRING={0}'.format(flag))