diff --git a/lib/system.nim b/lib/system.nim
index a7cf251f64..b9be52308d 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -4407,7 +4407,7 @@ template doAssertRaises*(exception: typedesc, code: untyped): typed =
       wrong = true
     except exception:
       discard
-    except Exception as exc:
+    except Exception:
       raiseAssert(astToStr(exception) &
                   " wasn't raised, another error was raised instead by:\n"&
                   astToStr(code))