diff --git a/core/include/update.inc.php b/core/include/update.inc.php
index b0375914..153a9d3d 100644
--- a/core/include/update.inc.php
+++ b/core/include/update.inc.php
@@ -840,37 +840,37 @@ if ($this->getData(['core', 'dataVersion']) < 11400) {
 			],
 			'dancing-script' => [
 				'name' => 'Dancing Script',
-				'font-family' => '"Dancing Script", sans-serif',
+				'font-family' => '\'Dancing Script\', sans-serif',
 				'resource' => 'https://fonts.cdnfonts.com/css/dancing-script'
 			],
 			'droid-sans-2'=> [
 				'name' => 'Droid Sans',
-				'font-family' =>  '"Droid Sans", sans-serif',
+				'font-family' =>  '\'Droid Sans\', sans-serif',
 				'resource' => 'https://fonts.cdnfonts.com/css/droid-sans-2'
 			],
 			'droid-serif-2'=> [
 				'name' => 'Droid Serif',
-				'font-family' =>  '"Droid Serif", serif',
+				'font-family' =>  '\'Droid Serif\', serif',
 				'resource' => 'https://fonts.cdnfonts.com/css/droid-serif-2'
 			],
 			'indie-flower'=> [
 				'name' => 'Indie Flower',
-				'font-family' => '"Indie Flower", sans-serif',
+				'font-family' => '\'Indie Flower\', sans-serif',
 				'resource' => 'https://fonts.cdnfonts.com/css/indie-flower'
 			],
 			'fira-sans' => [
 				'name' => 'Fira Sans',
-				'font-family' => '"Fira Sans", sans-serif',
+				'font-family' => '\'Fira Sans\', sans-serif',
 				'resource' => 'https://fonts.cdnfonts.com/css/fira'
 			],
 			'liberation-sans'=> [
 				'name' => 'Liberation Sans',
-				'font-family' => '"Liberation Sans", sans-serif',
+				'font-family' => '\'Liberation Sans\', sans-serif',
 				'resource' => 'https://fonts.cdnfonts.com/css/liberation-sans'
 			],
 			'liberation-serif'=> [
 				'name' => 'Liberation Serif',
-				'font-family' => '"Liberation Serif", serif',
+				'font-family' => '\'Liberation Serif\', serif',
 				'resource' => 'https://fonts.cdnfonts.com/css/liberation-serif'
 			],
 			'lobster-2'=> [
@@ -890,12 +890,12 @@ if ($this->getData(['core', 'dataVersion']) < 11400) {
 			],
 			'old-standard-tt-3'=> [
 				'name' => 'Old Standard TT',
-				'font-family' => '"Old Standard TT", serif',
+				'font-family' => '\'Old Standard TT\', serif',
 				'resource' => 'https://fonts.cdnfonts.com/css/old-standard-tt-3'
 			],
 			'open-sans' => [
 				'name' => 'Open Sans',
-				'font-family' => '"Open Sans", sans-serif',
+				'font-family' => '\'Open Sans\', sans-serif',
 				'resource' => 'https://fonts.cdnfonts.com/css/open-sans'
 			],
 			'oswald-4'=> [
@@ -905,12 +905,12 @@ if ($this->getData(['core', 'dataVersion']) < 11400) {
 			],
 			'pt-mono'=> [
 				'name' => 'PT Mono',
-				'font-family' => '"PT Mono", monospace',
+				'font-family' => '\'PT Mono\', monospace',
 				'resource' => 'https://fonts.cdnfonts.com/css/pt-mono'
 			],
 			'pt-serif'=> [
-				'name' => "PR Serif",
-				'font-family' => '"PT Serif", serif',
+				'name' => 'PR Serif',
+				'font-family' => '\'PT Serif\', serif',
 				'resource' => 'https://fonts.cdnfonts.com/css/pt-serif'
 			],
 			'rancho'=> [