diff --git a/tests/DotNetLightning.Core.Tests/TransactionTests.fs b/tests/DotNetLightning.Core.Tests/TransactionTests.fs
index ff18b8cf3..9b86b3a4a 100644
--- a/tests/DotNetLightning.Core.Tests/TransactionTests.fs
+++ b/tests/DotNetLightning.Core.Tests/TransactionTests.fs
@@ -121,6 +121,7 @@ let testList = testList "transaction tests" [
                 localChannelPrivKeys
                 Network.RegTest
                 commitmentTx
+        Expect.isSome transactionBuilderOpt "failed to create recovery tx"
         let transactionBuilder = transactionBuilderOpt.Value
 
         let recoveryTransaction =
@@ -203,6 +204,7 @@ let testList = testList "transaction tests" [
                 remoteChannelPrivKeys
                 Network.RegTest
                 commitmentTx
+        Expect.isSome transactionBuilderOpt "failed to create recovery tx"
         let transactionBuilder = transactionBuilderOpt.Value
 
         let recoveryTransaction =