diff --git a/lib/secure-streams/policy-json.c b/lib/secure-streams/policy-json.c
index 94f6ee61b..d496485e1 100644
--- a/lib/secure-streams/policy-json.c
+++ b/lib/secure-streams/policy-json.c
@@ -1225,10 +1225,11 @@ lws_ss_policy_parse(struct lws_context *context, const uint8_t *buf, size_t len)
 	int m;
 
 #if !defined(LWS_PLAT_FREERTOS) && !defined(LWS_PLAT_OPTEE)
-	if (args->jctx.line < 2 && buf[0] != '{')
+	if (args->jctx.line < 2 && buf[0] != '{' && !args->parse_data)
 		return lws_ss_policy_parse_file(context, (const char *)buf);
 #endif
 
+	args->parse_data = 1;
 	m = lejp_parse(&args->jctx, buf, (int)len);
 	if (m == LEJP_CONTINUE || m >= 0)
 		return m;
diff --git a/lib/secure-streams/private-lib-secure-streams.h b/lib/secure-streams/private-lib-secure-streams.h
index 59ff57023..e237168a3 100644
--- a/lib/secure-streams/private-lib-secure-streams.h
+++ b/lib/secure-streams/private-lib-secure-streams.h
@@ -471,6 +471,8 @@ struct policy_cb_args {
 
 	int count;
 	char pending_respmap;
+
+	uint8_t parse_data:1;
 };
 
 #if defined(LWS_WITH_SYS_SMD)