diff --git a/collects/launcher/launcher-sig.ss b/collects/launcher/launcher-sig.ss
new file mode 100644
index 0000000000..386d013d95
--- /dev/null
+++ b/collects/launcher/launcher-sig.ss
@@ -0,0 +1,19 @@
+
+(module launcher-sig mzscheme
+  (import (lib "unitsig.ss"))
+  
+  (export launcher-maker^)
+
+  (define-signature launcher-maker^
+    (make-mred-launcher
+     make-mzscheme-launcher
+
+     make-mred-program-launcher
+     make-mzscheme-program-launcher
+
+     mred-program-launcher-path
+     mzscheme-program-launcher-path
+
+     install-mred-program-launcher
+     install-mzscheme-program-launcher)))
+