diff --git a/subdir-rules.mk b/subdir-rules.mk
index 243293962..165b66c4f 100644
--- a/subdir-rules.mk
+++ b/subdir-rules.mk
@@ -62,7 +62,7 @@ guestfs_am_v_ocamlc_ = $(guestfs_am_v_ocamlc_@AM_DEFAULT_V@)
 guestfs_am_v_ocamlc_0 = @echo "  OCAMLC  " $@;
 guestfs_am_v_ocamlopt = $(guestfs_am_v_ocamlopt_@AM_V@)
 guestfs_am_v_ocamlopt_ = $(guestfs_am_v_ocamlopt_@AM_DEFAULT_V@)
-guestfs_am_v_ocamlopt_0 = @echo " OCAMLOPT " $@;
+guestfs_am_v_ocamlopt_0 = @echo "  OCAMLOPT" $@;
 guestfs_am_v_javac = $(guestfs_am_v_javac_@AM_V@)
 guestfs_am_v_javac_ = $(guestfs_am_v_javac_@AM_DEFAULT_V@)
 guestfs_am_v_javac_0 = @echo "  JAVAC   " $@;