diff --git a/Plugin.cs b/Plugin.cs
index 35eb3d3..43bac6d 100644
--- a/Plugin.cs
+++ b/Plugin.cs
@@ -408,8 +408,13 @@ public class Plugin : IDalamudPlugin {
                         ? chara->Mana.ToString(CultureInfo.InvariantCulture)
                         : "???";
                     if (hasRight) {
-                        left->SetText(manaString[..^2]);
-                        right->SetText(manaString[^2..]);
+                        if (manaString.Length <= 1) {
+                            left->SetText("");
+                            right->SetText(manaString);
+                        } else {
+                            left->SetText(manaString[..^2]);
+                            right->SetText(manaString[^2..]);
+                        }
                     } else {
                         left->SetText(manaString);
                     }