diff --git a/src/Makefile.in b/src/Makefile.in
index eab54a2..6dd69a5 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -199,6 +199,7 @@ mandir = @mandir@
 mkdir_p = @mkdir_p@
 oldincludedir = @oldincludedir@
 prefix = @prefix@
+datarootdir = @datarootdir@
 program_transform_name = @program_transform_name@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@