diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index 8170cd13b..e0a880af6 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -7,8 +7,10 @@ foreach (man_FILE ${man_FILES})
     man/${man_FILE})
 endforeach (man_FILE)
 
-install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/man/ DESTINATION ${TASK_MAN1DIR}
-                                                    FILES_MATCHING PATTERN "*.1")
-install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/man/ DESTINATION ${TASK_MAN5DIR}
-                                                    FILES_MATCHING PATTERN "*.5")
-install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/rc   DESTINATION ${TASK_DOCDIR})
+install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/man/   DESTINATION ${TASK_MAN1DIR}
+                                                      FILES_MATCHING PATTERN "*.1")
+install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/man/   DESTINATION ${TASK_MAN5DIR}
+                                                      FILES_MATCHING PATTERN "*.5")
+install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/rc     DESTINATION ${TASK_DOCDIR})
+
+install (FILES ${CMAKE_CURRENT_SOURCE_DIR}/ref/task-ref.pdf DESTINATION ${TASK_DOCDIR})