diff --git a/swash/processing/post.py b/swash/processing/post.py
index 502d0f4..1638aef 100644
--- a/swash/processing/post.py
+++ b/swash/processing/post.py
@@ -76,7 +76,7 @@ ax_r.grid()
 
 fig_x, ax_x = plt.subplots()
 ax_x.plot(-data["botl"], color="k")
-ax_x.plot(data["dep"][t == t0, :] - data["botl"])
+ax_x.plot(data["dep"][np.argmin(np.abs(t - t0)), :] - data["botl"])
 ax_x.axvline(x0, c="k", alpha=0.2)
 ax_x.set(xlabel="x (m)", ylabel="z (m)")
 ax_x.autoscale(axis="x", tight=True)