diff --git a/client/src/overlay/graphs.c b/client/src/overlay/graphs.c
index b61f2c98..39a6c541 100644
--- a/client/src/overlay/graphs.c
+++ b/client/src/overlay/graphs.c
@@ -198,7 +198,7 @@ static int graphs_render(void * udata, bool interactive,
     }
 
     igPlotLines_FloatPtr(
-        "##",
+        (void *)graph,
         (float *)ringbuffer_getValues(graph->buffer),
         ringbuffer_getLength(graph->buffer),
         ringbuffer_getStart (graph->buffer),