diff --git a/src/shared/json.c b/src/shared/json.c
index b9a4fe4e23e..377a2c455a2 100644
--- a/src/shared/json.c
+++ b/src/shared/json.c
@@ -2833,7 +2833,7 @@ int json_parse_continue(const char **p, JsonVariant **ret, unsigned *ret_line, u
         return json_parse_internal(p, NULL, ret, ret_line, ret_column, true);
 }
 
-int json_parse_file(FILE *f, const char *path, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column) {
+int json_parse_file_at(FILE *f, int dir_fd, const char *path, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column) {
         _cleanup_(json_source_unrefp) JsonSource *source = NULL;
         _cleanup_free_ char *text = NULL;
         const char *p;
@@ -2842,7 +2842,7 @@ int json_parse_file(FILE *f, const char *path, JsonVariant **ret, unsigned *ret_
         if (f)
                 r = read_full_stream(f, &text, NULL);
         else if (path)
-                r = read_full_file(path, &text, NULL);
+                r = read_full_file_full(dir_fd, path, 0, &text, NULL);
         else
                 return -EINVAL;
         if (r < 0)
diff --git a/src/shared/json.h b/src/shared/json.h
index 8e589a0b842..dd1aff450ab 100644
--- a/src/shared/json.h
+++ b/src/shared/json.h
@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
+#include <fcntl.h>
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
@@ -175,7 +176,11 @@ int json_variant_set_field(JsonVariant **v, const char *field, JsonVariant *valu
 
 int json_parse(const char *string, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column);
 int json_parse_continue(const char **p, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column);
-int json_parse_file(FILE *f, const char *path, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column);
+int json_parse_file_at(FILE *f, int dir_fd, const char *path, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column);
+
+static inline int json_parse_file(FILE *f, const char *path, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column) {
+        return json_parse_file_at(f, AT_FDCWD, path, ret, ret_line, ret_column);
+}
 
 enum {
         _JSON_BUILD_STRING,