diff --git a/samy.ps1 b/samy.ps1
index b700070..31e0f8c 100644
--- a/samy.ps1
+++ b/samy.ps1
@@ -1068,13 +1068,15 @@ function Get-UIHtml {
     $cssContent = Get-RemoteText -Url $Script:SamyCssUrl
     $jsContent  = Get-RemoteText -Url $Script:SamyJsUrl
 
-    # Make the CSS background-image follow $Script:SamyBgLogoUrl
-    if ($cssContent) {
-        $pattern     = 'background-image:\s*url\("SAMY\.png"\);?'  # matches with or without extra spaces/semicolon
-        $replacement = "background-image: url('$Script:SamyBgLogoUrl');"
-        $cssContent  = [regex]::Replace($cssContent, $pattern, $replacement)
-    }
-
+   if ($cssContent) {
+    $cssContent += @"
+    
+/* SAMY background override injected by script */
+.sidebar::after {
+    background-image: url('$Script:SamyBgLogoUrl') !important;
+}
+"@
+}
 
     #
     # 4) HTML template - **no external link/script src** anymore, all inlined