diff --git a/chrome/src/Makefile.in b/chrome/src/Makefile.in
index 91f13a0a4a6..3750096ffc1 100644
--- a/chrome/src/Makefile.in
+++ b/chrome/src/Makefile.in
@@ -49,6 +49,7 @@ REQUIRES	= xpcom \
 		  widget \
 		  js \
 		  appshell \
+		  appstartup \
 		  appcomps \
 		  caps \
 		  pref \