diff --git a/Source/NSWorkspace.m b/Source/NSWorkspace.m
index 34065d019..6c64c2b62 100644
--- a/Source/NSWorkspace.m
+++ b/Source/NSWorkspace.m
@@ -1557,7 +1557,7 @@ inFileViewerRootedAtPath: (NSString *)rootFullpath
   id app;
 
   /* What Workspace application? */
-  appName = [defs stringForKey: @"Workspace"];
+  appName = [defs stringForKey: @"GSWorkspaceApplication"];
   if (appName == nil)
     appName = @"GSWorkspace";