diff --git a/field.go b/field.go
index 2415a5e..e360b46 100644
--- a/field.go
+++ b/field.go
@@ -6,10 +6,10 @@ import (
 )
 
 type field struct {
-	Path string      `json:"path"`
-	Name string      `json:"name"`
-	Kind string      `json:"kind"`
-	Val  interface{} `json:"val"`
+	Path  string      `json:"path"`
+	Name  string      `json:"name"`
+	Kind  string      `json:"kind"`
+	Value interface{} `json:"val"`
 }
 
 func extractFields(st interface{}, path string) []field {
@@ -44,10 +44,10 @@ func extractFields(st interface{}, path string) []field {
 			reflect.Float64,
 			reflect.String:
 			res = append(res, field{
-				Path: path + ftyp.Name,
-				Name: ftyp.Name,
-				Kind: kind.String(),
-				Val:  fval.Interface(),
+				Path:  path + ftyp.Name,
+				Name:  ftyp.Name,
+				Kind:  kind.String(),
+				Value: fval.Interface(),
 			})
 		default:
 			log.Printf("Field type %q not supported for field %q\n", kind, path+ftyp.Name)
@@ -63,8 +63,8 @@ func diff(a, b interface{}) map[string][]interface{} {
 
 	res := make(map[string][]interface{})
 	for name, f := range af {
-		if bf[name].Val != f.Val {
-			res[name] = []interface{}{f.Val, bf[name].Val}
+		if bf[name].Value != f.Value {
+			res[name] = []interface{}{f.Value, bf[name].Value}
 		}
 	}
 
diff --git a/field_test.go b/field_test.go
index 73474c5..250c6e2 100644
--- a/field_test.go
+++ b/field_test.go
@@ -21,8 +21,8 @@ func TestExtractFields(t *testing.T) {
 			if f.Kind != kind {
 				t.Errorf("%s expected to be of kind %q, got %q", fname, kind, f.Kind)
 			}
-			if f.Val != val {
-				t.Errorf("%s expected to have value %q, got %q", fname, val, f.Val)
+			if f.Value != val {
+				t.Errorf("%s expected to have value %q, got %q", fname, val, f.Value)
 			}
 		} else {
 			t.Errorf("Missing %s field", fname)