diff --git a/src/templates/error.php b/src/templates/error.php
index a7fc67e..3d2ad3b 100644
--- a/src/templates/error.php
+++ b/src/templates/error.php
@@ -169,13 +169,12 @@ if ($logoFile !== '') {
 		false,
 		0
 	);
-} elseif ($this->params->get('siteTitle')) {
-	$brandHtml = '<span class="site-title" title="' . $sitename . '">'
-			   . htmlspecialchars($this->params->get('siteTitle'), ENT_COMPAT, 'UTF-8')
-			   . '</span>';
 } else {
-	// Fallback to a bundled image (relative to media paths)
-	$brandHtml = HTMLHelper::_('image', 'full_logo.png', $sitename, ['class' => 'logo d-inline-block', 'loading' => 'eager', 'decoding' => 'async'], true, 0);
+	// If no logo file, show the title (defaults to "MokoCassiopeia" if not set)
+	$siteTitle = $this->params->get('siteTitle', 'MokoCassiopeia');
+	$brandHtml = '<span class="site-title" title="' . $sitename . '">'
+			   . htmlspecialchars($siteTitle, ENT_COMPAT, 'UTF-8')
+			   . '</span>';
 }
 
 // ------------------ Error details ------------------
diff --git a/src/templates/index.php b/src/templates/index.php
index 210d850..4375332 100644
--- a/src/templates/index.php
+++ b/src/templates/index.php
@@ -205,13 +205,12 @@ if ($logoFile !== '') {
 		false,
 		0
 	);
-} elseif ($this->params->get('siteTitle')) {
-	$brandHtml = '<span class="site-title" title="' . $sitename . '">'
-			   . htmlspecialchars($this->params->get('siteTitle'), ENT_COMPAT, 'UTF-8')
-			   . '</span>';
 } else {
-	// Fallback to a bundled image (relative to media paths)
-	$brandHtml = HTMLHelper::_('image', 'full_logo.png', $sitename, ['class' => 'logo d-inline-block', 'loading' => 'eager', 'decoding' => 'async'], true, 0);
+	// If no logo file, show the title (defaults to "MokoCassiopeia" if not set)
+	$siteTitle = $this->params->get('siteTitle', 'MokoCassiopeia');
+	$brandHtml = '<span class="site-title" title="' . $sitename . '">'
+			   . htmlspecialchars($siteTitle, ENT_COMPAT, 'UTF-8')
+			   . '</span>';
 }
 
 // Layout flags
diff --git a/src/templates/templateDetails.xml b/src/templates/templateDetails.xml
index d99b492..0137c00 100644
--- a/src/templates/templateDetails.xml
+++ b/src/templates/templateDetails.xml
@@ -221,7 +221,7 @@
 					<option value="1">JYES</option>
 				</field>
 				<field name="logoFile" type="media" label="TPL_MOKOCASSIOPEIA_LOGO_LABEL" showon="brand:1" />
-				<field name="siteTitle" type="text" default="" label="TPL_MOKOCASSIOPEIA_TITLE" filter="string" showon="brand:1" />
+				<field name="siteTitle" type="text" default="MokoCassiopeia" label="TPL_MOKOCASSIOPEIA_TITLE" filter="string" showon="brand:1" />
 				<field name="siteDescription" type="text" default="" label="TPL_MOKOCASSIOPEIA_TAGLINE_LABEL" description="TPL_MOKOCASSIOPEIA_TAGLINE_DESC" filter="string" showon="brand:1" />
 				<field name="fA6KitCode" type="text" default="" label="TPL_MOKOCASSIOPEIA_FA7KITCODE_LABEL" description="TPL_MOKOCASSIOPEIA_FA7KITCODE_DESC" filter="string" />