diff --git a/trie/proof_test.go b/trie/proof_test.go
index b3c9dd753c..40c49f358b 100644
--- a/trie/proof_test.go
+++ b/trie/proof_test.go
@@ -109,7 +109,7 @@ func TestOneElementProof(t *testing.T) {
 			t.Fatalf("prover %d: failed to verify proof: %v\nraw proof: %x", i, err, proof)
 		}
 		if !bytes.Equal(val, []byte("v")) {
-			t.Fatalf("prover %d: verified value mismatch: have %x, want 'k'", i, val)
+			t.Fatalf("prover %d: verified value mismatch: have %x, want 'v'", i, val)
 		}
 	}
 }