diff --git a/multimedia/svt-av1/Makefile b/multimedia/svt-av1/Makefile
index fd8fab45382..043aca5404f 100644
--- a/multimedia/svt-av1/Makefile
+++ b/multimedia/svt-av1/Makefile
@@ -5,6 +5,7 @@ COMMENT=	scalable AV1 encoder/decoder
 VER=		1.4.0
 DISTNAME=	SVT-AV1-v${VER}
 PKGNAME=	svt-av1-${VER}
+REVISION=	0
 CATEGORIES=	multimedia
 MASTER_SITES=	https://gitlab.com/AOMediaCodec/SVT-AV1/-/archive/v${VER}/
 EXTRACT_SUFX=	.tar.bz2
diff --git a/multimedia/svt-av1/patches/patch-Source_Lib_Encoder_Codec_EbRateControlProcess_c b/multimedia/svt-av1/patches/patch-Source_Lib_Encoder_Codec_EbRateControlProcess_c
new file mode 100644
index 00000000000..07abe970fbf
--- /dev/null
+++ b/multimedia/svt-av1/patches/patch-Source_Lib_Encoder_Codec_EbRateControlProcess_c
@@ -0,0 +1,32 @@
+Fix Quality Degradation When MaxBitRate Specified, Issue #2017
+b4c89396fa22791570c3992f9c56a6a65bdaca48
+
+Index: Source/Lib/Encoder/Codec/EbRateControlProcess.c
+--- Source/Lib/Encoder/Codec/EbRateControlProcess.c.orig
++++ Source/Lib/Encoder/Codec/EbRateControlProcess.c
+@@ -873,6 +873,11 @@ static int crf_qindex_calc(PictureControlSet *pcs, RAT
+         }
+         // Scale r0 based on the GOP structure
+         ppcs->r0 = ppcs->r0 / tpl_hl_islice_div_factor[scs_ptr->max_heirachical_level];
++
++        // when frames_to_key not available, i.e. in 1 pass encoding
++        rc->kf_boost  = get_cqp_kf_boost_from_r0(ppcs->r0, -1, scs_ptr->input_resolution);
++        int max_boost = ppcs->used_tpl_frame_num * KB;
++        rc->kf_boost  = AOMMIN(rc->kf_boost, max_boost);
+     } else {
+         if (use_qstep_based_q_calc) {
+             if (ppcs->tpl_ctrls.r0_adjust_factor) {
+@@ -881,6 +886,13 @@ static int crf_qindex_calc(PictureControlSet *pcs, RAT
+                 ppcs->r0 = ppcs->r0 / tpl_hl_base_frame_div_factor[scs_ptr->max_heirachical_level];
+             }
+         }
++        int    num_stats_required_for_gfu_boost = ppcs->tpl_group_size + (1 << hierarchical_levels);
++        double min_boost_factor                 = (int32_t)1 << (hierarchical_levels >> 1);
++        if (hierarchical_levels & 1) {
++            min_boost_factor *= CONST_SQRT2;
++        }
++        rc->gfu_boost = get_gfu_boost_from_r0_lap(
++            min_boost_factor, MAX_GFUBOOST_FACTOR, ppcs->r0, num_stats_required_for_gfu_boost);
+     }
+ 
+     q = active_worst_quality;