diff --git a/lib/dns/qp_p.h b/lib/dns/qp_p.h
index a6cf41f996..0b6bf40706 100644
--- a/lib/dns/qp_p.h
+++ b/lib/dns/qp_p.h
@@ -141,7 +141,7 @@ enum {
 #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 #define QP_CHUNK_LOG 7
 #else
-#define QP_CHUNK_LOG 10
+#define QP_CHUNK_LOG 12
 #endif
 
 STATIC_ASSERT(6 <= QP_CHUNK_LOG && QP_CHUNK_LOG <= 20,