diff --git a/libguestfs.spec b/libguestfs.spec
index d6f9a78..7d0ad15 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -69,6 +69,7 @@ BuildRequires: cpio
 BuildRequires: libconfig-devel
 BuildRequires: ocaml
 BuildRequires: ocaml-findlib-devel
+BuildRequires: ocaml-gettext-devel
 BuildRequires: systemd-units
 BuildRequires: netpbm-progs
 BuildRequires: icoutils