diff --git a/widget/public/Makefile.in b/widget/public/Makefile.in
index cd5b5028d95c..82c392e5353e 100644
--- a/widget/public/Makefile.in
+++ b/widget/public/Makefile.in
@@ -69,6 +69,7 @@ EXPORTS = \
 	nsIContentConnector.h \
 	nsIClipboard.h \
 	nsITransferable.h \
+	nsIFileListTransferable.h \
 	nsIDragService.h \
 	nsIDragSession.h \
 	nsIClipboardOwner.h \
diff --git a/widget/src/xpwidgets/Makefile.in b/widget/src/xpwidgets/Makefile.in
index c27b3a3ca581..cfab44f3a924 100644
--- a/widget/src/xpwidgets/Makefile.in
+++ b/widget/src/xpwidgets/Makefile.in
@@ -36,6 +36,7 @@ CPPSRCS= \
 	nsXIFFormatConverter.cpp \
 	nsBaseDragService.cpp    \
 	nsBaseClipboard.cpp      \
+	nsFileListTransferable.cpp \
 	$(NULL)
 
 LOCAL_INCLUDES := \