1 files changed, 2 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index e02b6e6ecc..624325fd7f 100644
--- a/Makefile
+++ b/Makefile
@@ -272,6 +272,8 @@ CONTRIBVO = contrib/omega/Omega.vo       contrib/omega/Zlogarithm.vo \
             contrib/omega/OmegaSyntax.vo contrib/omega/Zpower.vo \
             contrib/omega/Zcomplements.vo
 
+$(CONTRIBVO): states/initial.coq
+
 contrib: $(CONTRIBVO)
 
 clean::