diff --git a/doomcc/configure.py b/doomcc/configure.py
index 080f613..90199ee 100644
--- a/doomcc/configure.py
+++ b/doomcc/configure.py
@@ -22,7 +22,7 @@ class Configure(doomcc.doom_base.Wad):
                     wad = omg.WadIO(w)
                     complevel = wad.read("COMPLVL").decode("ascii").strip()
                 except Exception as e:
-                    print(f"Wad {w} likely has no lump COMPLVL (exception {e})")
+                    print(f"Wad {w} likely has no lump COMPLVL (exception {e=})")
         if complevel is None:
             complevel = input("Complevel? ")