diff --git a/po/Makefile.in.in b/po/Makefile.in.in
index c55fc02c7f1..5f2a720ae3e 100644
--- a/po/Makefile.in.in
+++ b/po/Makefile.in.in
@@ -30,6 +30,7 @@ VPATH = @srcdir@
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 datadir = @datadir@
+datarootdir = @datarootdir@
 DATADIR = @DATADIR@
 LOCALEDIR = @LOCALEDIR@
 localedir = @FULLLOCALEDIR@