1 files changed, 4 insertions, 6 deletions
diff --git a/manager.go b/manager.go
index 3253129..10de4ef 100644
--- a/manager.go
+++ b/manager.go
@@ -69,11 +69,6 @@ func (i *StdinInput) Start() chan *Work {
 }
 
 func (f *StringFilter) Filter(w *Work) *Work {
-	if f.FilterFuncMap == nil {
-		f.FilterFuncMap = make(map[string]func(string) string, 10)
-		f.FilterFuncMap["F"] = func(s string) string { return strings.ToUpper(s) }
-	}
-
 	dec := json.NewDecoder(bytes.NewReader(w.data))
 	jm := make(map[string]string, 10)
 
@@ -134,9 +129,12 @@ func (m *Manager) Run() {
 }
 
 func main() {
+	ffmap := make(map[string]func(string) string, 10)
+	ffmap["F"] = func(s string) string { return strings.ToUpper(s) }
+
 	m := Manager{
 		Input:  &StdinInput{},
-		Filter: &StringFilter{},
+		Filter: &StringFilter{FilterFuncMap: ffmap},
 		Output: &StdoutOutput{},
 	}