diff --git a/ValaLibCommonRules.cmake b/ValaLibCommonRules.cmake
index 8192a50..7a94d4a 100644
--- a/ValaLibCommonRules.cmake
+++ b/ValaLibCommonRules.cmake
@@ -41,7 +41,9 @@ IF (LibIsPlugin)
 ENDIF (LibIsPlugin)
 
 IF (UNIX)
-  SET (install_dest lib${install_prefix})
+  INCLUDE (GNUInstallDirs)
+  #SET (install_dest lib${install_prefix})
+  SET (install_dest ${CMAKE_INSTALL_FULL_LIBDIR}${install_prefix})
 ELSEIF (WIN32)
   SET (install_dest bin${install_prefix})
 ENDIF (UNIX)