diff --git a/testmodules/options/test.nim b/testmodules/options/test.nim
index c6fc8a0..e79140c 100644
--- a/testmodules/options/test.nim
+++ b/testmodules/options/test.nim
@@ -172,6 +172,11 @@ suite "optionals":
     else:
       fail()
 
+    if (a, b) =? none (string, int):
+      discard a
+      discard b
+      fail()
+
   test "=? binds and unpacks tuples with named fields":
     if (a, b) =? (some (desc: "test", id: 1)):
       check a == "test"
diff --git a/testmodules/result/test.nim b/testmodules/result/test.nim
index 81880c1..66aa2d6 100644
--- a/testmodules/result/test.nim
+++ b/testmodules/result/test.nim
@@ -172,6 +172,11 @@ suite "result":
     else:
       fail()
 
+    if (a, b) =? (string, int).failure(error):
+      discard a
+      discard b
+      fail()
+
   test "=? binds and unpacks tuples with named fields":
     if (a, b) =? (success (desc: "test", id: 1)):
       check a == "test"