diff --git a/harrison/__init__.py b/harrison/__init__.py
index 7df8ac1..18bb4aa 100644
--- a/harrison/__init__.py
+++ b/harrison/__init__.py
@@ -1,4 +1,4 @@
 from harrison.profile import profile
 from harrison.timer import Timer
 
-__version__ = '1.1.0'
+__version__ = '1.1.1'
diff --git a/harrison/util/inspectlib.py b/harrison/util/inspectlib.py
index 282b72e..69e7a77 100644
--- a/harrison/util/inspectlib.py
+++ b/harrison/util/inspectlib.py
@@ -34,7 +34,11 @@ def stack_frame_info(stacklevel):
         raise ValueError('A stacklevel less than 1 is pointless')
 
     frame, filename, line_number, function_name, _, _ = inspect.stack()[stacklevel]
-    module_name = inspect.getmodule(frame).__name__
+    module = inspect.getmodule(frame) # it is possible for getmodule to return None
+    if module is not None:
+        module_name = module.__name__
+    else:
+        module_name = ""
 
     return Where(
         filename=filename,