diff --git a/binding/form_mapping.go b/binding/form_mapping.go
index 80b1d15a..c4543f9a 100644
--- a/binding/form_mapping.go
+++ b/binding/form_mapping.go
@@ -15,6 +15,8 @@ import (
 	"github.com/gin-gonic/gin/internal/json"
 )
 
+var LimitMappingCallNumber = 10000
+
 var errUnknownType = errors.New("Unknown type")
 
 func mapUri(ptr interface{}, m map[string][]string) error {
@@ -46,11 +48,11 @@ func (form formSource) TrySet(value reflect.Value, field reflect.StructField, ta
 }
 
 func mappingByPtr(ptr interface{}, setter setter, tag string) error {
-	_, err := mapping(reflect.ValueOf(ptr), emptyField, setter, tag)
+	_, err := mapping(reflect.ValueOf(ptr), emptyField, setter, tag, 0)
 	return err
 }
 
-func mapping(value reflect.Value, field reflect.StructField, setter setter, tag string) (bool, error) {
+func mapping(value reflect.Value, field reflect.StructField, setter setter, tag string, callNumber int) (bool, error) {
 	var vKind = value.Kind()
 
 	if vKind == reflect.Ptr {
@@ -60,7 +62,7 @@ func mapping(value reflect.Value, field reflect.StructField, setter setter, tag
 			isNew = true
 			vPtr = reflect.New(value.Type().Elem())
 		}
-		isSetted, err := mapping(vPtr.Elem(), field, setter, tag)
+		isSetted, err := mapping(vPtr.Elem(), field, setter, tag, callNumber+1)
 		if err != nil {
 			return false, err
 		}
@@ -70,6 +72,10 @@ func mapping(value reflect.Value, field reflect.StructField, setter setter, tag
 		return isSetted, nil
 	}
 
+	if callNumber > LimitMappingCallNumber {
+		return false, errors.New("Maybe entering a circular reference")
+	}
+
 	if vKind != reflect.Struct || !field.Anonymous {
 		ok, err := tryToSetValue(value, field, setter, tag)
 		if err != nil {
@@ -89,7 +95,7 @@ func mapping(value reflect.Value, field reflect.StructField, setter setter, tag
 			if sf.PkgPath != "" && !sf.Anonymous { // unexported
 				continue
 			}
-			ok, err := mapping(value.Field(i), tValue.Field(i), setter, tag)
+			ok, err := mapping(value.Field(i), tValue.Field(i), setter, tag, callNumber+1)
 			if err != nil {
 				return false, err
 			}