diff --git a/candidatepair_state.go b/candidatepair_state.go
index 1a1e827..b7f0dd8 100644
--- a/candidatepair_state.go
+++ b/candidatepair_state.go
@@ -9,7 +9,7 @@ type CandidatePairState int
 const (
 	// CandidatePairStateWaiting means a check has not been performed for
 	// this pair
-	CandidatePairStateWaiting = iota + 1
+	CandidatePairStateWaiting CandidatePairState = iota + 1
 
 	// CandidatePairStateInProgress means a check has been sent for this pair,
 	// but the transaction is in progress.