diff --git a/libsrc/apple2/Makefile b/libsrc/apple2/Makefile
index fe2bd1602..a38de7482 100644
--- a/libsrc/apple2/Makefile
+++ b/libsrc/apple2/Makefile
@@ -107,7 +107,7 @@ S_OBJS=	_scrsize.o	\
        	wherey.o        \
 	write.o
 
-S_EXTRA_OBJS=			\
+S_EXTRA_OBJS=		\
 	extra/iobuf-0800.o
 
 #--------------------------------------------------------------------------
diff --git a/libsrc/apple2enh/Makefile b/libsrc/apple2enh/Makefile
index af25f3eff..919362402 100644
--- a/libsrc/apple2enh/Makefile
+++ b/libsrc/apple2enh/Makefile
@@ -112,7 +112,7 @@ S_OBJS=	_scrsize.o	\
        	wherey.o        \
 	write.o
 
-S_EXTRA_OBJS=			\
+S_EXTRA_OBJS=		\
 	extra/iobuf-0800.o
 
 #--------------------------------------------------------------------------