diff --git a/GetSHA256.ps1 b/GetSHA256.ps1
index 71051256..a85c0ba8 100644
--- a/GetSHA256.ps1
+++ b/GetSHA256.ps1
@@ -1,5 +1,6 @@
 param([string]$file)
 $hash = [Security.Cryptography.HashAlgorithm]::Create( "SHA256" )
-$stream = ([IO.StreamReader]$file).BaseStream
--join ($hash.ComputeHash($stream) | ForEach { "{0:x2}" -f $_ })
-$stream.Close()
+$path = (Resolve-Path -Path $file).Path
+$stream = ([IO.StreamReader]$path).BaseStream
+-join ($hash.ComputeHash($stream) | ForEach-Object { "{0:x2}" -f $_ })
+$stream.Close()
\ No newline at end of file