diff --git a/mozilla/modules/plugin/tools/sdk/Makefile.in b/mozilla/modules/plugin/tools/sdk/Makefile.in
index 275b0578e46..6accff793ad 100644
--- a/mozilla/modules/plugin/tools/sdk/Makefile.in
+++ b/mozilla/modules/plugin/tools/sdk/Makefile.in
@@ -62,6 +62,7 @@ libs::
 	$(MAKE_INSTALL) $(XPDIST)\include\xpcom\nsTraceRefcnt.h .\include
 	$(MAKE_INSTALL) $(XPDIST)\include\xpcom\nsXPCOM.h .\include
 	$(MAKE_INSTALL) $(XPDIST)\include\xpcom\nsIComponentManagerObsolete.h .\include
+	$(MAKE_INSTALL) $(XPDIST)\include\xpcom\nsComponentManagerObsolete.h .\include
 
 	$(INSTALL) $(XPDIST)/include/nspr/pratom.h ./include
 	$(INSTALL) $(XPDIST)/include/nspr/prcpucfg.h ./include
diff --git a/mozilla/modules/plugin/tools/sdk/makefile.win b/mozilla/modules/plugin/tools/sdk/makefile.win
index 7a3cb53bcb2..d00e7c869b2 100644
--- a/mozilla/modules/plugin/tools/sdk/makefile.win
+++ b/mozilla/modules/plugin/tools/sdk/makefile.win
@@ -67,6 +67,7 @@ export::
   $(MAKE_INSTALL) $(XPDIST)\include\xpcom\nsTraceRefcnt.h .\include
   $(MAKE_INSTALL) $(XPDIST)\include\xpcom\nsXPCOM.h .\include
   $(MAKE_INSTALL) $(XPDIST)\include\xpcom\nsIComponentManagerObsolete.h .\include
+  $(MAKE_INSTALL) $(XPDIST)\include\xpcom\nsComponentManagerObsolete.h .\include
 
   $(MAKE_INSTALL) $(XPDIST)\include\nspr\pratom.h .\include
   $(MAKE_INSTALL) $(XPDIST)\include\nspr\prcpucfg.h .\include