diff --git a/src/auditwheel/main_repair.py b/src/auditwheel/main_repair.py
index 41268dfe..49255853 100644
--- a/src/auditwheel/main_repair.py
+++ b/src/auditwheel/main_repair.py
@@ -133,8 +133,8 @@ def execute(args, parser: argparse.ArgumentParser):
             wheel_abi = analyze_wheel_abi(
                 wheel_policy, wheel_file, exclude, args.DISABLE_ISA_EXT_CHECK
             )
-        except NonPlatformWheel:
-            logger.info(NonPlatformWheel.message)
+        except NonPlatformWheel as e:
+            logger.info(e.message)
             return 1
 
         policy = wheel_policy.get_policy_by_name(args.PLAT)
diff --git a/src/auditwheel/main_show.py b/src/auditwheel/main_show.py
index 1b585bb5..45b50ea6 100644
--- a/src/auditwheel/main_show.py
+++ b/src/auditwheel/main_show.py
@@ -46,8 +46,8 @@ def execute(args, parser: argparse.ArgumentParser):
         winfo = analyze_wheel_abi(
             wheel_policy, args.WHEEL_FILE, frozenset(), args.DISABLE_ISA_EXT_CHECK
         )
-    except NonPlatformWheel:
-        logger.info(NonPlatformWheel.message)
+    except NonPlatformWheel as e:
+        logger.info(e.message)
         return 1
 
     libs_with_versions = [
diff --git a/src/auditwheel/wheel_abi.py b/src/auditwheel/wheel_abi.py
index 2032c76f..85718d32 100644
--- a/src/auditwheel/wheel_abi.py
+++ b/src/auditwheel/wheel_abi.py
@@ -65,7 +65,7 @@ def __init__(self, architecture: Architecture, libraries: list[str]) -> None:
         super().__init__(msg)
 
     @property
-    def message(self):
+    def message(self) -> str:
         return self.args[0]