diff --git a/minimal-examples/api-tests/api-test-lws_tokenize/main.c b/minimal-examples/api-tests/api-test-lws_tokenize/main.c
index 9b3714fa0..ba4e94308 100644
--- a/minimal-examples/api-tests/api-test-lws_tokenize/main.c
+++ b/minimal-examples/api-tests/api-test-lws_tokenize/main.c
@@ -158,6 +158,12 @@ struct expected expected1[] = {
 		{ LWS_TOKZE_DELIMITER, ".", 1 },
 		{ LWS_TOKZE_TOKEN, "com", 3 },
 		{ LWS_TOKZE_ENDED, "", 0 },
+	},
+	expected15[] = {
+		{ LWS_TOKZE_TOKEN, "close", 5 },
+		{ LWS_TOKZE_DELIMITER, ",", 1 },
+		{ LWS_TOKZE_TOKEN, "Upgrade", 7 },
+		{ LWS_TOKZE_ENDED, "", 0 },
 	}
 
 ;
@@ -227,6 +233,11 @@ struct tests tests[] = {
 		expected14, LWS_ARRAY_SIZE(expected14),
 		LWS_TOKENIZE_F_NO_FLOATS
 	},
+	{
+		"close,  Upgrade",
+		expected15, LWS_ARRAY_SIZE(expected15),
+		LWS_TOKENIZE_F_COMMA_SEP_LIST
+	},
 };
 
 /*
@@ -308,7 +319,8 @@ int main(int argc, const char **argv)
 			if (e > 0 &&
 			    (ts.token_len != exp->len ||
 			     memcmp(exp->value, ts.token, exp->len))) {
-				lwsl_notice("fail token mismatch\n");
+				lwsl_notice("fail token mismatch %d %d %.*s\n",
+						ts.token_len, exp->len, ts.token_len, ts.token);
 				fail++;
 				break;
 			}