diff --git a/worldbuild-packager.py b/worldbuild-packager.py
index 845b8cc..8fb42a1 100755
--- a/worldbuild-packager.py
+++ b/worldbuild-packager.py
@@ -147,7 +147,7 @@ def update_index(output, name, name_major):
 
 	sha = get_sha1(output + "/" + name_major + "/" + name + ".zip")
 	if sha != None:
-		index["z:" + name] = sha
+		index["z:" + name + ".zip"] = sha
 
 		write_index(output + "/" + name_major + "/.dirindex", index)
 
@@ -160,7 +160,7 @@ def update_index(output, name, name_major):
 
 		sha = get_sha1(output + "/" + name_major + "/.dirindex")
 		if sha != None:
-			main_index["z:" + name] = sha
+			main_index["d:" + name_major] = sha
 
 		write_index(output + "/.dirindex", main_index)