diff --git a/editor/txmgr/src/Makefile.in b/editor/txmgr/src/Makefile.in
index 1e74e4d4706..764bdf9f90f 100644
--- a/editor/txmgr/src/Makefile.in
+++ b/editor/txmgr/src/Makefile.in
@@ -25,10 +25,11 @@ include $(DEPTH)/config/autoconf.mk
 
 LIBRARY_NAME = txmgr
 
-CPPSRCS =                       \
-	nsTransactionItem.cpp		\
-	nsTransactionManager.cpp	\
-	nsTransactionStack.cpp		\
+CPPSRCS =                           \
+    nsTransactionItem.cpp           \
+    nsTransactionManager.cpp        \
+    nsTransactionManagerFactory.cpp \
+    nsTransactionStack.cpp          \
     $(NULL)
 
 MODULE = txmgr
diff --git a/editor/txmgr/src/makefile.win b/editor/txmgr/src/makefile.win
index b80684ffe1a..38f538c288d 100644
--- a/editor/txmgr/src/makefile.win
+++ b/editor/txmgr/src/makefile.win
@@ -23,6 +23,7 @@ LIBRARY_NAME=txmgr
 CPPSRCS =				\
 	nsTransactionItem.cpp	\
 	nsTransactionManager.cpp	\
+	nsTransactionManagerFactory.cpp	\
 	nsTransactionStack.cpp	\
 	$(NULL)