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-rw-r--r--overlay/overlay.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/overlay/overlay.c b/overlay/overlay.c
index 070cd04e..fbec7e8c 100644
--- a/overlay/overlay.c
+++ b/overlay/overlay.c
@@ -263,7 +263,7 @@ static void show_gpu_perf(struct overlay_context *ctx, struct overlay_gpu_perf *
rgba[last_color][1],
rgba[last_color][2],
rgba[last_color][3]);
- last_color++;
+ last_color = (last_color + 1) % 4;
chart_set_stroke_width(comm->user_data, 1);
}