diff --git a/EcoAssist_GUI.py b/EcoAssist_GUI.py
index 3a1b31cc..476fe7af 100755
--- a/EcoAssist_GUI.py
+++ b/EcoAssist_GUI.py
@@ -4059,7 +4059,7 @@ def show_text_hitl_img_selection_explanation():
         plt.yticks([])
         dist_graph = FigureCanvasTkAgg(fig, frame)
         plt.close()
-        rsl = RangeSliderH(frame, [min_conf, max_conf], padX=11, digit_precision='.2f', bgColor = '#ececec', Width = 180)
+        rsl = RangeSliderH(frame, [min_conf, max_conf], padX=11, digit_precision='.2f', bgColor = '#ececec', Width = 180, font_size = 12, font_family = text_font)
         rad_var = IntVar()
         rad_var.set(1)
         rad_all = Radiobutton(frame, text=["All images in range", "Todo dentro del rango"][lang_idx],