diff --git a/Makefile b/Makefile
index 1ec08f3..c0d6924 100644
--- a/Makefile
+++ b/Makefile
@@ -1,19 +1,19 @@
-PROG=		apple1
-SRCS=		src/main.c src/pia.c v6502/v6502/log.c v6502/v6502/debugger.c v6502/v6502/breakpoint.c
+PROG= apple1
+SRCS= src/main.c src/pia.c v6502/v6502/log.c v6502/v6502/debugger.c v6502/v6502/breakpoint.c
+OBJS= $(SRCS:.c=.o)
 
 include v6502/libvars.mk
-V6502_PREFIX= v6502
-LIBV6502_DIR=	$(V6502_PREFIX)/v6502
-LIBAS6502_DIR= $(V6502_PREFIX)/as6502
+V6502_PREFIX=   v6502
+LIBV6502_DIR=   $(V6502_PREFIX)/v6502
+LIBAS6502_DIR=  $(V6502_PREFIX)/as6502
 LIBDIS6502_DIR= $(V6502_PREFIX)/dis6502
 
-AS=	$(LIBAS6502_DIR)/as6502
-ROM= apple1.rom
+AS=     $(LIBAS6502_DIR)/as6502
+ROM=    apple1.rom
 ROMSRC= src/wozmon.s
 
-CFLAGS+=	-I$(V6502_PREFIX) -std=c99 -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_GNU_SOURCE
-LDFLAGS=	-ledit -lcurses -ldis6502 -las6502 -lv6502 -L$(LIBV6502_DIR) -L$(LIBAS6502_DIR) -L$(LIBDIS6502_DIR)
-OBJS=		$(SRCS:.c=.o)
+CFLAGS+= -I$(V6502_PREFIX) -std=c99 -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_GNU_SOURCE
+LDFLAGS= -ledit -lcurses -ldis6502 -las6502 -lv6502 -L$(LIBV6502_DIR) -L$(LIBAS6502_DIR) -L$(LIBDIS6502_DIR)
 
 all: $(PROG) $(ROM)