diff --git a/packages/powershell/oh-my-posh/oh-my-posh.psm1 b/packages/powershell/oh-my-posh/oh-my-posh.psm1
index f47549c1..2c0b1ebe 100644
--- a/packages/powershell/oh-my-posh/oh-my-posh.psm1
+++ b/packages/powershell/oh-my-posh/oh-my-posh.psm1
@@ -37,7 +37,7 @@ function Set-PoshPrompt {
         $global:PoshSettings.Theme = "$PSScriptRoot/themes/$Theme.json"
     }
     elseif (Test-Path $Theme) {
-        $global:PoshSettings.Theme = $Theme
+        $global:PoshSettings.Theme = Resolve-Path -Path $Theme
     }
     else {
         $global:PoshSettings.Theme = "$PSScriptRoot/themes/jandedobbeleer.json"