diff --git a/src/h3.c b/src/h3.c
index 0993713f0..c90e63a68 100644
--- a/src/h3.c
+++ b/src/h3.c
@@ -39,9 +39,9 @@
 #define H3_CF_SETTINGS_SENT  0x00000001
 
 /* Default settings */
-static uint64_t h3_settings_qpack_max_table_capacity = 4096;
-static uint64_t h3_settings_qpack_blocked_streams = 100;
-static uint64_t h3_settings_max_field_section_size; /* Unlimited */
+static uint64_t h3_settings_qpack_max_table_capacity = 0;
+static uint64_t h3_settings_qpack_blocked_streams = 4096;
+static uint64_t h3_settings_max_field_section_size = QUIC_VARINT_8_BYTE_MAX; /* Unlimited */
 
 struct h3 {
 	struct qcc *qcc;