diff --git a/multistructlog.py b/multistructlog.py
index bf0a27f..625b275 100644
--- a/multistructlog.py
+++ b/multistructlog.py
@@ -138,19 +138,25 @@
         structlog.stdlib.ProcessorFormatter.wrap_for_formatter
     ])
 
-    caller = inspect.stack()[1]
-    filename = inspect.getmodule(caller[0]).__name__
+    
+    handlers = logging.getLogger('multistructlog').handlers
 
-    default_handlers = [
-        logging.StreamHandler(sys.stdout),
-        logging.handlers.RotatingFileHandler(
-            filename=filename,
-            maxBytes=10485760,
-            backupCount=1)
-    ]
+    if not handlers:
+        caller = inspect.stack()[1]
 
-    configured_handlers = logging.getLogger().handlers
-    handlers = configured_handlers if configured_handlers else default_handlers
+        try:
+            filename = inspect.getmodule(caller[0]).__name__
+        except AttributeError:
+            filename = '/tmp/multistructlog'
+
+        handlers = [
+            logging.StreamHandler(sys.stdout),
+            logging.handlers.RotatingFileHandler(
+                filename=filename,
+                maxBytes=10485760,
+                backupCount=1)
+        ]
+
     factory = XOSLoggerFactory(handlers)
 
     structlog.configure(