--- doc/CMakeLists.txt	2016-07-21 01:33:19.000000000 -0500
+++ doc/CMakeLists.txt	2017-08-03 12:02:21.673557000 -0500
@@ -131,4 +131,4 @@
 endif (XMLMANTOHTML_EXECUTABLE)
 
 install (FILES omp.8 check_omp.8 omp-dialog.8
-  DESTINATION ${DATADIR}/man/man8 )
+  DESTINATION ${CMAKE_INSTALL_PREFIX}/man/man8 )