diff --git a/dhi/plots/likelihoods.py b/dhi/plots/likelihoods.py
index 37fed30e2f12b06b8e8d8928dc8ab1d8e52233e4..46baff1e91e29fba63a6ac79a5a8fa6a36a8f6a2 100644
--- a/dhi/plots/likelihoods.py
+++ b/dhi/plots/likelihoods.py
@@ -170,7 +170,7 @@ def plot_likelihood_scans_1d(
 
     # dummy histogram to control axes
     x_title = to_root_latex(poi_data[poi].label)
-    y_title = "-2 #Delta log(L)"
+    y_title = "#font[122]{\55}2 #Delta ln #it{L}"
     h_dummy = ROOT.TH1F("dummy", ";{};{}".format(x_title, y_title), 1, x_min, x_max)
     r.setup_hist(h_dummy, pad=pad, props={"LineWidth": 0, "Minimum": y_min, "Maximum": y_max})
     draw_objs.append((h_dummy, "HIST"))
@@ -551,7 +551,7 @@ def plot_likelihood_scan_2d(
     # dummy histogram to control axes
     x_title = to_root_latex(poi_data[poi1].label)
     y_title = to_root_latex(poi_data[poi2].label)
-    z_title = "-2 #Delta log(L)"
+    z_title = "#font[122]{\55}2 #Delta ln #it{L}"
     h_dummy = ROOT.TH2F("h_nll", ";{};{};{}".format(x_title, y_title, z_title),
         1, x_min, x_max, 1, y_min, y_max)
     r.setup_hist(h_dummy, pad=pad, props={"Contour": 100, "Minimum": z_min, "Maximum": z_max})
@@ -1117,7 +1117,7 @@ def plot_nuisance_likelihood_scans(
             x_title = "(#theta - #theta_{best}) / #Delta#theta_{pre}"
         else:
             x_title = "#theta / #Delta#theta_{pre}"
-        y_title = "-2 #Delta log(L)"
+        y_title = "#font[122]{\55}2 #Delta ln #it{L}"
         h_dummy = ROOT.TH1F("dummy", ";{};{}".format(x_title, y_title), 1, x_min, x_max)
         r.setup_hist(h_dummy, pad=pad, props={"LineWidth": 0, "Minimum": _y_min, "Maximum": _y_max})
         draw_objs = [(h_dummy, "HIST")]