diff --git a/src/idom/Makefile.in b/src/idom/Makefile.in
index f6c4cfd9d30fd998b6f1ffd7a9b79b19b4486418..0d39aba433a315d5160a248d4581c8ad4e8ca3db 100644
--- a/src/idom/Makefile.in
+++ b/src/idom/Makefile.in
@@ -132,7 +132,7 @@ IDOM_CPP_PRIVHEADERS =  \
        IDProcessingInstructionImpl.hpp \
        IDRangeImpl.hpp \
        IDTextImpl.hpp \
-       IDTreeWalker.hpp \
+       IDTreeWalkerImpl.hpp \
        IDXMLDeclImpl.hpp
 
 IDOM_C_FILES = \
@@ -170,7 +170,7 @@ IDOM_CPP_OBJECTS = \
        IDRangeImpl.$(TO) \
        IDStringPool.$(TO) \
        IDTextImpl.$(TO) \
-       IDTreeWalker.$(TO) \
+       IDTreeWalkerImpl.$(TO) \
        IDXMLDeclImpl.$(TO)