diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4b8c4c43ca981e2c7a65d0ca00124764ac2b59b0..5fa0daf409563c69d6bceaf34e3dfd82860dc7a3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,11 +52,11 @@ target_link_libraries(usgscsm
 if(WIN32)
   install(TARGETS usgscsm
     RUNTIME DESTINATION ${CMAKE_INSTALL_LIBDIR})
-    install(DIRECTORY ${USGSCSM_INCLUDE_DIRS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/usgscsm)
+    install(DIRECTORY ${USGSCSM_INCLUDE_DIRS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 else()
   install(TARGETS usgscsm
     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
-    install(DIRECTORY ${USGSCSM_INCLUDE_DIRS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/usgscsm)
+    install(DIRECTORY ${USGSCSM_INCLUDE_DIRS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 endif()