diff --git a/src/test/app/NFToken_test.cpp b/src/test/app/NFToken_test.cpp
index ac86bf74988..2fb27f8a352 100644
--- a/src/test/app/NFToken_test.cpp
+++ b/src/test/app/NFToken_test.cpp
@@ -1130,6 +1130,12 @@ class NFToken_test : public beast::unit_test::suite
         //----------------------------------------------------------------------
         // preclaim
 
+        // The buy offer must be non-zero.
+        env(token::acceptBuyOffer(buyer, beast::zero),
+            ter(tecOBJECT_NOT_FOUND));
+        env.close();
+        BEAST_EXPECT(ownerCount(env, buyer) == 0);
+
         // The buy offer must be present in the ledger.
         uint256 const missingOfferIndex = keylet::nftoffer(alice, 1).key;
         env(token::acceptBuyOffer(buyer, missingOfferIndex),
@@ -1142,6 +1148,12 @@ class NFToken_test : public beast::unit_test::suite
         env.close();
         BEAST_EXPECT(ownerCount(env, buyer) == 0);
 
+        // The sell offer must be non-zero.
+        env(token::acceptSellOffer(buyer, beast::zero),
+            ter(tecOBJECT_NOT_FOUND));
+        env.close();
+        BEAST_EXPECT(ownerCount(env, buyer) == 0);
+
         // The sell offer must be present in the ledger.
         env(token::acceptSellOffer(buyer, missingOfferIndex),
             ter(tecOBJECT_NOT_FOUND));