diff --git a/man/Makefile.am b/man/Makefile.am
index c1abd06..e01e781 100644
--- a/man/Makefile.am
+++ b/man/Makefile.am
@@ -1,4 +1,4 @@
-libmandir = $(mandir)/man$(LIB_MAN_SUFFIX)
+libmandir = $(LIB_MAN_DIR)
 
 libman_SOURCES = Xcursor.man
 libman_DATA = $(libman_SOURCES:man=@LIB_MAN_SUFFIX@)