diff --git a/reload.py b/reload.py
index 85892c2d..91801fe1 100644
--- a/reload.py
+++ b/reload.py
@@ -34,6 +34,7 @@ def reloadAll(prefix=None, debug=False):
     - Skips reload if the file has not been updated (if .pyc is newer than .py)
     - if prefix is None, checks all loaded modules
     """
+    failed = []
     for modName, mod in list(sys.modules.items()):  ## don't use iteritems; size may change during reload
         if not inspect.ismodule(mod):
             continue
@@ -58,7 +59,10 @@ def reloadAll(prefix=None, debug=False):
             reload(mod, debug=debug)
         except:
             printExc("Error while reloading module %s, skipping\n" % mod)
-
+            failed.append(mod.__name__)
+        
+    if len(failed) > 0:
+        raise Exception("Some modules failed to reload: %s" % ', '.join(failed))
 
 def reload(module, debug=False, lists=False, dicts=False):
     """Replacement for the builtin reload function: