diff --git a/lib/dns/adb.c b/lib/dns/adb.c
index 2cf2e85dcd..5c5d1d714e 100644
--- a/lib/dns/adb.c
+++ b/lib/dns/adb.c
@@ -3565,7 +3565,7 @@ maybe_adjust_quota(dns_adb_t *adb, dns_adbaddrinfo_t *addr, bool timeout) {
 		uint_fast32_t new_quota =
 			adb->quota * quota_adj[--addr->entry->mode] / 10000;
 		atomic_store_release(&addr->entry->quota,
-				     ISC_MIN(1, new_quota));
+				     ISC_MAX(1, new_quota));
 		log_quota(addr->entry,
 			  "atr %0.2f, quota increased to %" PRIuFAST32,
 			  addr->entry->atr, new_quota);
@@ -3575,7 +3575,7 @@ maybe_adjust_quota(dns_adb_t *adb, dns_adbaddrinfo_t *addr, bool timeout) {
 		uint_fast32_t new_quota =
 			adb->quota * quota_adj[++addr->entry->mode] / 10000;
 		atomic_store_release(&addr->entry->quota,
-				     ISC_MIN(1, new_quota));
+				     ISC_MAX(1, new_quota));
 		log_quota(addr->entry,
 			  "atr %0.2f, quota decreased to %" PRIuFAST32,
 			  addr->entry->atr, new_quota);