diff --git a/src/encoder.c b/src/encoder.c
index 486cb449..0bcd30ac 100644
--- a/src/encoder.c
+++ b/src/encoder.c
@@ -27,6 +27,7 @@
 #include <stdlib.h>
 
 #include "cfg.h"
+#include "gop.h"
 #include "strategyselector.h"
 #include "kvz_math.h"
 
@@ -234,7 +235,11 @@ encoder_control_t* kvz_encoder_control_init(const kvz_config *const cfg)
 
   if (encoder->cfg.gop_len > 0) {
     if (encoder->cfg.gop_lowdelay) {
-      kvz_config_process_lp_gop(&encoder->cfg);
+      if (encoder->cfg.gop_len == 4 && encoder->cfg.ref_frames == 4) {
+        memcpy(encoder->cfg.gop, kvz_gop_lowdelay4, sizeof(kvz_gop_lowdelay4));
+      } else {
+        kvz_config_process_lp_gop(&encoder->cfg);
+      }
     }
   }
 
diff --git a/src/gop.h b/src/gop.h
index 4347edb4..3a57f624 100644
--- a/src/gop.h
+++ b/src/gop.h
@@ -23,6 +23,62 @@
 #include <kvazaar.h>
 
 
+static const kvz_gop_config kvz_gop_lowdelay4[4] = {
+  {
+    .poc_offset = 1,
+    .layer      = 1,
+    .qp_offset  = 5,
+    .qp_factor  = 1.0,
+    .qp_model_offset = -6.5,
+    .qp_model_scale  = 0.2590,
+    .is_ref     = 1,
+    .ref_neg_count = 4,
+    .ref_neg = { 1, 5, 9, 13 },
+    .ref_pos_count = 0,
+    .ref_pos = { 0 },
+  },
+  {
+    .poc_offset = 2,
+    .layer      = 1,
+    .qp_offset  = 4,
+    .qp_factor  = 1.0,
+    .qp_model_offset = -6.5,
+    .qp_model_scale  = 0.2590,
+    .is_ref     = 1,
+    .ref_neg_count = 3,
+    .ref_neg = { 1, 2, 6, 10 },
+    .ref_pos_count = 0,
+    .ref_pos = { 0 },
+  },
+  {
+    .poc_offset = 3,
+    .layer      = 1,
+    .qp_offset  = 5,
+    .qp_factor  = 1.0,
+    .qp_model_offset = -6.5,
+    .qp_model_scale  = 0.2590,
+    .is_ref     = 1,
+    .ref_neg_count = 3,
+    .ref_neg = { 1, 3, 7, 11 },
+    .ref_pos_count = 0,
+    .ref_pos = { 0 },
+  },
+  {
+    .poc_offset = 4,
+    .layer      = 1,
+    .qp_offset  = 1,
+    .qp_factor  = 1.0,
+    .qp_model_offset = 0.0,
+    .qp_model_scale  = 0.0,
+    .is_ref     = 1,
+    .ref_neg_count = 3,
+    .ref_neg = { 1, 4, 8, 12 },
+    .ref_pos_count = 0,
+    .ref_pos = { 0 },
+  },
+};
+
+
 static const kvz_gop_config kvz_gop_ra8[8] = {
   {
     .poc_offset = 8,