diff --git a/uppbox/MakeInstall5/Main.cpp b/uppbox/MakeInstall5/Main.cpp
index 625c53b8c..520652c96 100644
--- a/uppbox/MakeInstall5/Main.cpp
+++ b/uppbox/MakeInstall5/Main.cpp
@@ -68,7 +68,7 @@ String upptmp = tmp + "/upp";
 String ass = upptmp + "/uppsrc";
 String upp = "u:/upp.src";
 String uppsrc = upp + "/uppsrc";
-String bin = "u:/bin";
+String bin = "u:/upp.bin";
 
 int NoDigit(int c) { return IsDigit(c) ? 0 : c; }
 int FilterVersion(int c) { return c == ':' ? '_' : c; }