diff --git a/libbeat/asset/registry_test.go b/libbeat/asset/registry_test.go
index daefe5c11d95..b001485caf71 100644
--- a/libbeat/asset/registry_test.go
+++ b/libbeat/asset/registry_test.go
@@ -24,6 +24,7 @@ import (
 )
 
 func TestGetFields(t *testing.T) {
+	clear(FieldsRegistry)
 
 	data := "hello world"
 	d, err := EncodeData(data)