diff --git a/tools/check_seapp.c b/tools/check_seapp.c
index e57a6b3..0d7a4d1 100644
--- a/tools/check_seapp.c
+++ b/tools/check_seapp.c
@@ -214,6 +214,7 @@
                 { .name = "minTargetSdkVersion", .dir = dir_in, .fn_validate = validate_uint },
                 { .name = "fromRunAs",       .dir = dir_in, .fn_validate = validate_bool },
                 { .name = "isIsolatedComputeApp", .dir = dir_in, .fn_validate = validate_bool },
+                { .name = "isSdkSandboxNext", .dir = dir_in, .fn_validate = validate_bool },
                 /*Outputs*/
                 { .name = "domain",         .dir = dir_out, .fn_validate = validate_domain  },
                 { .name = "type",           .dir = dir_out, .fn_validate = validate_type  },