diff --git a/results/benchmark.txt b/results/benchmark.txt
index d936534..044d7f4 100644
--- a/results/benchmark.txt
+++ b/results/benchmark.txt
@@ -2,4 +2,4 @@
 Benchmark                                  Time             CPU   Iterations
 ----------------------------------------------------------------------------
 BM_NextBoard/min_time:5.000              245 ms          245 ms           29
-BM_RenderNextBoard/min_time:5.000        259 ms          259 ms           27
+BM_RenderNextBoard/min_time:5.000        259 ms          258 ms           27
diff --git a/src/board/generate.cpp b/src/board/generate.cpp
index 80e64be..6344e5f 100644
--- a/src/board/generate.cpp
+++ b/src/board/generate.cpp
@@ -35,8 +35,10 @@ Board benchmarkBoard(int width, int height) {
         if (x >= width / 2)
           board[y][x] = (x / 8) % 2 != (y / 8) % 2;
       } else {
-        if (y < BREEDER_HEIGHT && x < BREEDER_WIDTH) {
-          board[y][x] = BREEDER[y][x];
+        const int breederMarginY = (height / 2 - BREEDER_HEIGHT) / 2;
+        const int breederY = y - breederMarginY;
+        if (breederY > 0 && breederY < BREEDER_HEIGHT && x < BREEDER_WIDTH) {
+          board[y][x] = BREEDER[breederY][x];
         } else {
           board[y][x] = false;
         }