diff --git a/DevDriveBackup.Data.psm1 b/DevDriveBackup.Data.psm1
index 178af91..45fb034 100644
--- a/DevDriveBackup.Data.psm1
+++ b/DevDriveBackup.Data.psm1
@@ -78,6 +78,22 @@ function Read-CenterProfiles {
  if(-not(Test-Path -LiteralPath $p)){return [pscustomobject]@{Version=1;Profiles=@()}}
  $data=Get-Content -LiteralPath $p -Raw|ConvertFrom-Json
  $data.Profiles=@($data.Profiles|ForEach-Object {$_.Sources=@($_.Sources);$_})
+ # A source's settings file is stored by full path. When the tool folder is moved or renamed, that path
+ # goes stale; a file of the same name in the jobs folder or beside the profiles file is the same file, moved.
+ $moved=$false
+ foreach($s in @($data.Profiles|ForEach-Object {$_.Sources})){
+  $old=[string]$s.ConfigPath
+  if(-not $old -or (Test-Path -LiteralPath $old)){continue}
+  $leaf=Split-Path $old -Leaf
+  foreach($dir in @((Get-CenterPaths).Jobs,[IO.Path]::GetDirectoryName($p))){
+   $candidate=Join-Path $dir $leaf
+   if(-not(Test-Path -LiteralPath $candidate -PathType Leaf)){continue}
+   # Same name is not proof: the file must describe this very source (its folder and its plain copy folder).
+   $same=try{$job=Get-Content -LiteralPath $candidate -Raw|ConvertFrom-Json;[string]$job.Source -ieq [string]$s.Path -and [string]$job.MirrorFolder -ieq [string]$s.MirrorFolder}catch{$false}
+   if($same){$s.ConfigPath=$candidate;$moved=$true;break}
+  }
+ }
+ if($moved){Save-CenterProfiles $data}
  $data
 }
 function Save-CenterProfiles($Data) {
diff --git a/Test-DevDriveBackup.ps1 b/Test-DevDriveBackup.ps1
index e74056e..63d318e 100644
--- a/Test-DevDriveBackup.ps1
+++ b/Test-DevDriveBackup.ps1
@@ -43,6 +43,14 @@ try{
  $s=Add-CenterSource -Data $data -ProfileId $p.Id -Path $source -Label $label -DefaultMode Both
  Save-CenterProfiles $data
  $created+=Join-Path ($DestinationDrive+':\') $s.MirrorFolder
+ $real=$s.ConfigPath;$s.ConfigPath=Join-Path (Join-Path $dataRoot 'OldToolName') (Split-Path $real -Leaf);Save-CenterProfiles $data
+ Assert ((Get-Content -LiteralPath (Get-CenterPaths).Profiles -Raw) -match 'OldToolName') 'a stale settings path is on disk before the repair'
+ $data=Read-CenterProfiles;$p=Get-CenterProfile $data $p.Id;$s=@($p.Sources)[0]
+ Assert ($s.ConfigPath -eq $real -and (Get-Content -LiteralPath (Get-CenterPaths).Profiles -Raw) -notmatch 'OldToolName') 'a settings path left behind by a moved or renamed tool folder is repaired and saved'
+ $s.MirrorFolder='Other-Mirror';$s.ConfigPath=Join-Path (Join-Path $dataRoot 'OldToolName') (Split-Path $real -Leaf);Save-CenterProfiles $data
+ $data=Read-CenterProfiles;$p=Get-CenterProfile $data $p.Id;$s=@($p.Sources)[0]
+ Assert ($s.ConfigPath -ne $real) 'a file of the same name that describes another source is not taken'
+ $s.MirrorFolder=Split-Path $created[-1] -Leaf;$s.ConfigPath=$real;Save-CenterProfiles $data
  $job=Read-CenterJob $s.ConfigPath
  $created+=Join-Path ($DestinationDrive+':\') $job.RepositoryFolder
  Assert (@($job.Choices).Count -eq 2 -and @($job.Choices|Where-Object {$_.Mode -ne 'Both'}).Count -eq 0) 'new source lists its top-level folders with the chosen mode'