diff --git a/Makefile.pre.in b/Makefile.pre.in
index af16d89..bb70301 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -245,6 +245,7 @@
 ##########################################################################
 # Python
 PYTHON_OBJS=	\
+		Python/_warnings.o \
 		Python/Python-ast.o \
 		Python/asdl.o \
 		Python/ast.o \
@@ -621,6 +622,7 @@
 		Include/tupleobject.h \
 		Include/ucnhash.h \
 		Include/unicodeobject.h \
+		Include/warnings.h \
 		Include/weakrefobject.h \
 		pyconfig.h \
 		$(PARSER_HEADERS)