diff --git a/lib/galaxy/jobs/__init__.py b/lib/galaxy/jobs/__init__.py
index c5381000dc0..90a40d6a2d7 100644
--- a/lib/galaxy/jobs/__init__.py
+++ b/lib/galaxy/jobs/__init__.py
@@ -422,7 +422,7 @@ class JobWrapper( object ):
                     dataset.blurb = "error"
                 elif dataset.has_data():
                     # Only set metadata values if they are missing...
-                    dataset.set_meta( overwrite_exisiting = False )
+                    dataset.set_meta( overwrite = False )
                     dataset.set_peek()
                 else:
                     dataset.blurb = "empty"