diff --git a/Makefile b/Makefile
index 9a62c9b..9399311 100644
--- a/Makefile
+++ b/Makefile
@@ -18,12 +18,40 @@ OBJ =\
 	vfs.o \
 	vm.o
 
+ASTYLE_FLAGS =\
+	--style=java \
+	--indent=force-tab \
+	--attach-closing-while \
+	--attach-inlines \
+	--attach-classes \
+	--indent-classes \
+	--indent-modifiers \
+	--indent-switches \
+	--indent-cases \
+	--indent-preproc-block \
+	--indent-preproc-define \
+	--indent-col1-comments \
+	--pad-oper \
+	--pad-comma \
+	--unpad-paren \
+	--delete-empty-lines \
+	--align-pointer=name \
+	--align-reference=name \
+	--break-one-line-headers \
+	--add-braces \
+	--verbose \
+	--formatted \
+	--lineend=linux
+
 
 all: main
 
 clean:
 	rm -f *.o ph7
 
+style:
+	astyle $(ASTYLE_FLAGS) --recursive ./*.c,*.h
+
 main: $(OBJ)
 	$(CC) $(OBJ) $(LIBS) -o ph7