diff --git a/BinxelviewForm.cs b/BinxelviewForm.cs
index f4ed553..4b79816 100644
--- a/BinxelviewForm.cs
+++ b/BinxelviewForm.cs
@@ -565,7 +565,7 @@ string saveIni(string path)
                     {
                         string p = Path.GetFullPath(preset_dir);
                         if (p == fulldir) p = "";
-                        else if (p.StartsWith(fulldir)) p = p.Substring(fulldir.Length+1);
+                        else if (p.StartsWith(fulldir+Path.PathSeparator)) p = p.Substring(fulldir.Length+1);
                         sw.WriteLine("presetdir=" + p);
                     }
                     foreach (Preset pi in presets) // save current preset if it exists in the library
diff --git a/readme.txt b/readme.txt
index 75f8648..d45028b 100644
--- a/readme.txt
+++ b/readme.txt
@@ -276,7 +276,7 @@ Changes
 -------
 
 1.6.3.0 (unreleased beta)
-- No changes yet.
+- Fix relative INI path edge case, when the target directory has a similar name to the INI directory.
 
 1.6.2.0 (2024-10-13)
 - Option persistence, INI file save and load.