diff --git a/Lib/inspect.py b/Lib/inspect.py
index 22b9e84..378e22f 100644
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -51,7 +51,7 @@
 # back to hardcording so the dependency is optional
 try:
     from dis import COMPILER_FLAG_NAMES as _flag_names
-except ImportError:
+except ModuleNotFoundError:
     CO_OPTIMIZED, CO_NEWLOCALS = 0x1, 0x2
     CO_VARARGS, CO_VARKEYWORDS = 0x4, 0x8
     CO_NESTED, CO_GENERATOR, CO_NOFREE = 0x10, 0x20, 0x40