diff --git a/grafonnet/graph_panel.libsonnet b/grafonnet/graph_panel.libsonnet
index 87276957..45c2cc94 100644
--- a/grafonnet/graph_panel.libsonnet
+++ b/grafonnet/graph_panel.libsonnet
@@ -104,6 +104,7 @@
     stack=false,
     repeat=null,
     repeatDirection=null,
+    maxPerRow=null,
     sort=0,
     show_xaxis=true,
     legend_show=true,
@@ -215,6 +216,7 @@
     aliasColors: aliasColors,
     repeat: repeat,
     [if repeatDirection != null then 'repeatDirection']: repeatDirection,
+    [if maxPerRow != null then 'maxPerRow']: maxPerRow,
     seriesOverrides: [],
     thresholds: thresholds,
     links: links,