diff --git a/src/box/mp_error.cc b/src/box/mp_error.cc
index 61cf5e1b8debe79f7465c8a7c0eb096119c3a5b5..36fbcefc50b706209d2ef6196ed21ab01e31ff3b 100644
--- a/src/box/mp_error.cc
+++ b/src/box/mp_error.cc
@@ -97,6 +97,16 @@ enum {
 	MP_ERROR_MAX,
 };
 
+static const char *const mp_error_field_to_json_key[MP_ERROR_MAX] = {
+	"\"type\": ",
+	"\"file\": ",
+	"\"line\": ",
+	"\"message\": ",
+	"\"errno\": ",
+	"\"code\": ",
+	"\"fields\": ",
+};
+
 /**
  * The structure is used for storing parameters
  * during decoding MP_ERROR.
@@ -561,16 +571,6 @@ error_unpack_unsafe(const char **data)
 	return err;
 }
 
-static const char *const mp_error_field_to_json_key[MP_ERROR_MAX] = {
-	[MP_ERROR_TYPE] =	"\"type\": ",
-	[MP_ERROR_FILE] =	"\"file\": ",
-	[MP_ERROR_LINE] =	"\"line\": ",
-	[MP_ERROR_MESSAGE] =	"\"message\": ",
-	[MP_ERROR_ERRNO] =	"\"errno\": ",
-	[MP_ERROR_CODE] =	"\"code\": ",
-	[MP_ERROR_FIELDS] =	"\"fields\": ",
-};
-
 /**
  * Include this file into self with a few template parameters
  * to create mp_snprint_error() and mp_fprint_error() functions