diff --git a/Lib/trace.py b/Lib/trace.py
index 3f00605..2e403c8 100644
--- a/Lib/trace.py
+++ b/Lib/trace.py
@@ -100,8 +100,9 @@
                       (Can only be used with --count or --report.)
 
 Filters, may be repeated multiple times:
---ignore-module=<mod> Ignore the given module and its submodules
-                      (if it is a package).
+--ignore-module=<mod> Ignore the given module(s) and its submodules
+                      (if it is a package).  Accepts comma separated
+                      list of module names
 --ignore-dir=<dir>    Ignore files in the given directory (multiple
                       directories can be joined by os.pathsep).
 """ % sys.argv[0])
@@ -729,7 +730,8 @@
             continue
 
         if opt == "--ignore-module":
-            ignore_modules.append(val)
+            for mod in val.split(","):
+                ignore_modules.append(mod.strip())
             continue
 
         if opt == "--ignore-dir":