diff --git a/internal/form/marker.go b/internal/form/marker.go
index 87b5545c5..a19d7a543 100644
--- a/internal/form/marker.go
+++ b/internal/form/marker.go
@@ -4,13 +4,13 @@ import "github.com/ulule/deepcopier"
 
 // Marker represents an image marker edit form.
 type Marker struct {
-	MarkerType string `json:"Type"`
-	MarkerSrc  string `json:"Src"`
-	MarkerName string `json:"Name"`
-	SubjectUID string `json:"SubjectUID"`
-	SubjectSrc string `json:"SubjectSrc"`
-	Score      int    `json:"Score"`
-	Invalid    bool   `json:"Invalid"`
+	MarkerType    string `json:"Type"`
+	MarkerSrc     string `json:"Src"`
+	MarkerName    string `json:"Name"`
+	SubjectUID    string `json:"SubjectUID"`
+	SubjectSrc    string `json:"SubjectSrc"`
+	Score         int    `json:"Score"`
+	MarkerInvalid bool   `json:"Invalid"`
 }
 
 func NewMarker(m interface{}) (f Marker, err error) {
diff --git a/internal/form/marker_test.go b/internal/form/marker_test.go
index 62ccd9bcd..10a1a9553 100644
--- a/internal/form/marker_test.go
+++ b/internal/form/marker_test.go
@@ -9,21 +9,21 @@ import (
 func TestNewMarker(t *testing.T) {
 	t.Run("success", func(t *testing.T) {
 		var m = struct {
-			MarkerType string
-			MarkerSrc  string
-			MarkerName string
-			SubjectUID string
-			SubjectSrc string
-			Score      int
-			Invalid    bool
+			MarkerType    string
+			MarkerSrc     string
+			MarkerName    string
+			SubjectUID    string
+			SubjectSrc    string
+			Score         int
+			MarkerInvalid bool
 		}{
-			MarkerType: "face",
-			MarkerSrc:  "image",
-			MarkerName: "Foo",
-			SubjectUID: "3h59wvth837b5vyiub35",
-			SubjectSrc: "meta",
-			Score:      100,
-			Invalid:    true,
+			MarkerType:    "face",
+			MarkerSrc:     "image",
+			MarkerName:    "Foo",
+			SubjectUID:    "3h59wvth837b5vyiub35",
+			SubjectSrc:    "meta",
+			Score:         100,
+			MarkerInvalid: true,
 		}
 
 		f, err := NewMarker(m)
@@ -38,6 +38,6 @@ func TestNewMarker(t *testing.T) {
 		assert.Equal(t, "3h59wvth837b5vyiub35", f.SubjectUID)
 		assert.Equal(t, "meta", f.SubjectSrc)
 		assert.Equal(t, 100, f.Score)
-		assert.Equal(t, true, f.Invalid)
+		assert.Equal(t, true, f.MarkerInvalid)
 	})
 }