diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9af15d1e3e2edace56757f70ce091f1c6acd95e1..8dcf4c75c1dc448d2e6b1fe7b578578b5bddc1fe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -163,6 +163,7 @@ if(hasParent)
 	set(OPTIONAL_BOOST_LIBS ${OPTIONAL_BOOST_LIBS} PARENT_SCOPE)
 	set(DEFINE_HAVE_OPENMP ${DEFINE_HAVE_OPENMP} PARENT_SCOPE)
 	set(DEFINE_HAVE_ALPAKA ${DEFINE_HAVE_ALPAKA} PARENT_SCOPE)
+	set(CUDA_FOUND ${CUDA_FOUND} PARENT_SCOPE)
 	set(CUDA_VERSION_MAJOR ${CUDA_VERSION_MAJOR} PARENT_SCOPE)
 	set(CUDA_VERSION_MINOR ${CUDA_VERSION_MINOR} PARENT_SCOPE)
 	set(CUDA_VERSION_PATCH ${CUDA_VERSION_PATCH} PARENT_SCOPE)