diff --git a/tests/effects/teffectsmisc.nim b/tests/effects/teffectsmisc.nim
index e2fd2d87db..d3978814c3 100644
--- a/tests/effects/teffectsmisc.nim
+++ b/tests/effects/teffectsmisc.nim
@@ -57,4 +57,8 @@ block:
     except IOError as e:
       raise
 
-  f()
\ No newline at end of file
+  f()
+
+block:
+  static: doAssert IOError is Exception
+  proc r(e: ref Exception) {.raises: [IOError].} = raise (ref IOError)(e)