diff --git a/UndertaleModLib/Models/UndertaleFont.cs b/UndertaleModLib/Models/UndertaleFont.cs
index 34a495aff..e8d5a57d2 100644
--- a/UndertaleModLib/Models/UndertaleFont.cs
+++ b/UndertaleModLib/Models/UndertaleFont.cs
@@ -313,7 +313,7 @@ public void Unserialize(UndertaleReader reader)
         // since the float is always written negated, it has the first bit set.
         if ((readEmSize & (1 << 31)) != 0)
         {
-            float fsize = -BitConverter.ToSingle(BitConverter.GetBytes(EmSize), 0);
+            float fsize = -BitConverter.ToSingle(BitConverter.GetBytes(readEmSize), 0);
             EmSize = fsize;
             EmSizeIsFloat = true;
         }