diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 587e86c..943eba9 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -74,7 +74,7 @@
   ARCHIVE DESTINATION lib COMPONENT dev
   RUNTIME DESTINATION lib COMPONENT lib)
 install(
-  DIRECTORY ${PROJECT_SOURCE_DIR}/include
+  DIRECTORY ${PROJECT_SOURCE_DIR}/include/cose
   DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
   COMPONENT dev
   FILES_MATCHING