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-rw-r--r--theories/ZArith/Zpower.v1
1 files changed, 1 insertions, 0 deletions
diff --git a/theories/ZArith/Zpower.v b/theories/ZArith/Zpower.v
index f3f357de1..7ee8b9766 100644
--- a/theories/ZArith/Zpower.v
+++ b/theories/ZArith/Zpower.v
@@ -8,6 +8,7 @@
(*i $Id$ i*)
+Require Import Wf_nat.
Require Import ZArith_base.
Require Export Zpow_def.
Require Import Omega.