diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2ad5890..721aabe 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -14,5 +14,5 @@ set_target_properties(${PROJECT_NAME} PROPERTIES
   SOVERSION ${${PROJECT_NAME}_VERSION_MAJOR})
 
 install(TARGETS ${PROJECT_NAME} DESTINATION ${CMAKE_INSTALL_LIBDIR})
-install(FILES src/${CMAKE_PROJECT_NAME}.hpp src/${CMAKE_PROJECT_NAME}_c.h
+install(FILES ${CMAKE_PROJECT_NAME}.hpp ${CMAKE_PROJECT_NAME}_c.h
   DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})