diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 6889c49e09..406abec7f0 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,4 +1,4 @@
-#### 5.114.1 - 2017-10-13
+#### 5.114.2 - 2017-10-13
 * BUGFIX: isExtracted function was falsely returning true to comparison - https://github.com/fsprojects/Paket/pull/2842
 
 #### 5.114.0 - 2017-10-11
diff --git a/src/Paket.Core/Dependencies/NuGetCache.fs b/src/Paket.Core/Dependencies/NuGetCache.fs
index 1f6ed00365..55357a2ea8 100644
--- a/src/Paket.Core/Dependencies/NuGetCache.fs
+++ b/src/Paket.Core/Dependencies/NuGetCache.fs
@@ -253,7 +253,9 @@ let inline isExtracted (directory:DirectoryInfo) (packageName:PackageName) (vers
     if not fi.Exists then false else
     if not directory.Exists then false else
     directory.EnumerateFileSystemInfos()
-    |> Seq.exists (fun f -> f.FullName.ToLower() <> fi.FullName.ToLower() && f.FullName.ToLower() <> licenseFile.ToLower())
+    |> Seq.exists (fun f -> 
+        (not (String.equalsIgnoreCase f.FullName fi.FullName)) && 
+          (not (String.equalsIgnoreCase f.FullName licenseFile)))
 
 let IsPackageVersionExtracted(config:ResolvedPackagesFolder, packageName:PackageName, version:SemVerInfo) =
     match config.Path with