diff --git a/CHANGES b/CHANGES
index 3536565c8a..14e6a610bd 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+5936.	[bug]		Don't enable serve-stale for lookups that error because
+			it is a duplicate query or a query that would be
+			dropped. [GL #2982]
+
 5935.	[bug]		Fix DiG lookup reference counting bug, which could
 			be observed in NSSEARCH mode. [GL #3478]
 
diff --git a/doc/notes/notes-current.rst b/doc/notes/notes-current.rst
index 59188df86e..3700e9a3a1 100644
--- a/doc/notes/notes-current.rst
+++ b/doc/notes/notes-current.rst
@@ -40,4 +40,7 @@ Feature Changes
 Bug Fixes
 ~~~~~~~~~
 
-- None.
+- Fix a serve-stale bug, where BIND would try to return stale data from cache
+  for lookups that received duplicate queries or queries that would be dropped.
+  This bug resulted in premature SERVFAIL responses, and has now been resolved.
+  :gl:`#2982`
diff --git a/lib/ns/query.c b/lib/ns/query.c
index 18ab138b1c..1b3261de25 100644
--- a/lib/ns/query.c
+++ b/lib/ns/query.c
@@ -7575,6 +7575,14 @@ query_usestale(query_ctx_t *qctx, isc_result_t result) {
 		return (false);
 	}
 
+	if (result == DNS_R_DUPLICATE || result == DNS_R_DROP) {
+		/*
+		 * Don't enable serve-stale if the result signals a duplicate
+		 * query or query that is being dropped.
+		 */
+		return (false);
+	}
+
 	qctx_clean(qctx);
 	qctx_freedata(qctx);