diff --git a/Makefile.pre.in b/Makefile.pre.in
index c704b145fe9..c74b2003c5d 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -239,7 +239,7 @@ PARSER_OBJS=	$(POBJS) Parser/myreadline.o Parser/tokenizer.o
 PGOBJS=		\
 		Objects/obmalloc.o \
 		Python/mysnprintf.o \
-                Python/pyctype.o \
+		Python/pyctype.o \
 		Parser/tokenizer_pgen.o \
 		Parser/printgrammar.o \
 		Parser/pgenmain.o