diff --git a/CMakeLists.txt b/CMakeLists.txt
index 90c6399..21b9a06 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -132,7 +132,7 @@
   project_cn-cbor
   GIT_REPOSITORY https://github.com/jimsch/cn-cbor
   GIT_TAG master
-  CMAKE_ARGS -Doptimize=OFF -Duse_context=${use_context} -Dbuild_docs=OFF -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -Dcoveralls=OFF -Dbuild_shared_libs=${build_shared_libs} -Dfatal_warnings=OFF
+  CMAKE_ARGS -Doptimize=OFF -Duse_context=${use_context} -Dbuild_docs=OFF -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -Dcoveralls=OFF -DBUILD_SHARED_LIBS=${build_shared_libs} -Dfatal_warnings=OFF
   INSTALL_DIR "${dist_dir}"
   UPDATE_DISCONNECTED 1
 )