diff --git a/mozilla/xpcom/obsolete/Makefile.in b/mozilla/xpcom/obsolete/Makefile.in
index d9e8a04cfea..8182e3fc127 100644
--- a/mozilla/xpcom/obsolete/Makefile.in
+++ b/mozilla/xpcom/obsolete/Makefile.in
@@ -28,6 +28,9 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= xpcom_obsolete
 LIBRARY_NAME	= xpcom_compat
+ifneq ($(OS_ARCH),WINNT)
+SHORT_LIBNAME	= xpcomct
+endif
 
 EXPORT_LIBRARY  = 1
 GRE_MODULE	= 1
diff --git a/mozilla/xpcom/obsolete/component/Makefile.in b/mozilla/xpcom/obsolete/component/Makefile.in
index f4a4068c9f3..21895264e7e 100644
--- a/mozilla/xpcom/obsolete/component/Makefile.in
+++ b/mozilla/xpcom/obsolete/component/Makefile.in
@@ -28,6 +28,10 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= xpcom_compat_c
 LIBRARY_NAME	= xpcom_compat_c
+ifneq ($(OS_ARCH),WINNT)
+SHORT_LIBNAME	= xpcomctc
+endif
+
 EXPORT_LIBRARY  = 1
 IS_COMPONENT	= 1
 GRE_MODULE	= 1
diff --git a/mozilla/xpcom_obsolete/Makefile.in b/mozilla/xpcom_obsolete/Makefile.in
index d9e8a04cfea..8182e3fc127 100644
--- a/mozilla/xpcom_obsolete/Makefile.in
+++ b/mozilla/xpcom_obsolete/Makefile.in
@@ -28,6 +28,9 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= xpcom_obsolete
 LIBRARY_NAME	= xpcom_compat
+ifneq ($(OS_ARCH),WINNT)
+SHORT_LIBNAME	= xpcomct
+endif
 
 EXPORT_LIBRARY  = 1
 GRE_MODULE	= 1
diff --git a/mozilla/xpcom_obsolete/component/Makefile.in b/mozilla/xpcom_obsolete/component/Makefile.in
index f4a4068c9f3..21895264e7e 100644
--- a/mozilla/xpcom_obsolete/component/Makefile.in
+++ b/mozilla/xpcom_obsolete/component/Makefile.in
@@ -28,6 +28,10 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= xpcom_compat_c
 LIBRARY_NAME	= xpcom_compat_c
+ifneq ($(OS_ARCH),WINNT)
+SHORT_LIBNAME	= xpcomctc
+endif
+
 EXPORT_LIBRARY  = 1
 IS_COMPONENT	= 1
 GRE_MODULE	= 1