diff --git a/Directory.Build.props b/Directory.Build.props
index 85a5424..786ea39 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -26,7 +26,7 @@
   <PropertyGroup>
 
     <!-- DOCSYNC: When changing version number update README.md -->
-    <Version>0.3.11.0</Version>
+    <Version>0.3.12.0</Version>
     <AssemblyVersion>0.9.9999.0</AssemblyVersion>
 
     <Company>Microsoft</Company>
diff --git a/README.md b/README.md
index fc445db..48ba29b 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,7 @@ File clones on Windows do not actually allocate space on-drive for the clone. Th
 
 [![NuGet version (CopyOnWrite)](https://img.shields.io/nuget/v/CopyOnWrite?style=plastic)](https://www.nuget.org/packages/CopyOnWrite)
 
+* 0.3.12 October 2024: Add ERROR_DEV_NOT_EXIST handling on getting free disk space
 * 0.3.11 September 2024: Add ERROR_DEV_NOT_EXIST handling on volume enumeration
 * 0.3.10 September 2024: Add ERROR_NO_SUCH_DEVICE handling on volume enumeration
 * 0.3.9 September 2024: Fix https://github.com/microsoft/CopyOnWrite/issues/44 - follow up on ignoring FILE_NOT_FOUND on volume enumeration
diff --git a/lib/Windows/VolumeInfoCache.cs b/lib/Windows/VolumeInfoCache.cs
index 432b480..c4125c8 100644
--- a/lib/Windows/VolumeInfoCache.cs
+++ b/lib/Windows/VolumeInfoCache.cs
@@ -152,6 +152,11 @@ public VolumeInfo GetVolumeForPath(string path)
         if (!result)
         {
             int lastErr = Marshal.GetLastWin32Error();
+            if (lastErr == NativeMethods.ERROR_DEV_NOT_EXIST)
+            {
+                return null;
+            }
+            
             NativeMethods.ThrowSpecificIoException(lastErr,
                 $"Failed retrieving drive volume cluster layout information for {volumePaths.PrimaryDriveRootPath} with winerror {lastErr}");
         }
@@ -173,4 +178,4 @@ private static int IndexFromDriveLetter(char driveLetter)
 
         return index;
     }
-}
\ No newline at end of file
+}