diff --git a/mozilla/browser/components/build/Makefile.in b/mozilla/browser/components/build/Makefile.in
index 1de257ee310..e0735813bb7 100644
--- a/mozilla/browser/components/build/Makefile.in
+++ b/mozilla/browser/components/build/Makefile.in
@@ -10,6 +10,7 @@ LIBRARY_NAME = browsercomps
 SHORT_LIBNAME = brwsrcmp
 EXPORT_LIBRARY = 1
 IS_COMPONENT = 1
+MODULE_NAME = nsBrowserCompsModule
 
 REQUIRES = \
 	xpcom \
diff --git a/mozilla/toolkit/components/build/Makefile.in b/mozilla/toolkit/components/build/Makefile.in
index c80a361e00e..8329eb93ad4 100644
--- a/mozilla/toolkit/components/build/Makefile.in
+++ b/mozilla/toolkit/components/build/Makefile.in
@@ -31,6 +31,7 @@ LIBRARY_NAME = toolkitcomps
 SHORT_LIBNAME = tkitcmps
 EXPORT_LIBRARY = 1
 IS_COMPONENT = 1
+MODULE_NAME = nsToolkitCompsModule
 
 REQUIRES = xpcom \
 		       string \