diff --git a/Makefile.pre.in b/Makefile.pre.in
index 68ad6e3a472..93023f2dbb4 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -191,6 +191,7 @@ POBJS=		\
 PARSER_OBJS=	$(POBJS) Parser/myreadline.o
 
 PGOBJS=		\
+		Python/mysnprintf.o \
 		Parser/firstsets.o \
 		Parser/grammar.o \
 		Parser/pgen.o \