diff --git a/config.go b/config.go
index acd7386..483ae08 100644
--- a/config.go
+++ b/config.go
@@ -25,7 +25,8 @@ package main
 import "fmt"
 
 type config struct {
-	Tasks        map[string]task
+	Tasks        map[string]taskDef
+	Macros       map[string]macroDef
 	tasksHandled map[string]bool
 }
 
diff --git a/macro.go b/macro.go
index 42828ff..b27e441 100644
--- a/macro.go
+++ b/macro.go
@@ -21,12 +21,14 @@ import (
 	"strings"
 )
 
-type macro struct {
+type macro []string
+
+type macroDef struct {
 	Prefix []string
 	Suffix []string
 }
 
-func (m macro) process(dir string, params []string, flags int) error {
+func (m macroDef) process(dir string, params []string, flags int) error {
 	var args []string
 	args = appendExpEnv(args, m.Prefix)
 	args = appendExpEnv(args, params)