diff --git a/schemes/Material-Theme.tmTheme b/schemes/Material-Theme.tmTheme
index f11cdbb97..bbcc6b210 100644
--- a/schemes/Material-Theme.tmTheme
+++ b/schemes/Material-Theme.tmTheme
@@ -34,7 +34,7 @@
 				<key>lineHighlight</key>
 				<string>#00000050</string>
 				<key>popupCss</key>
-				<string><![CDATA[ html { background-color: #263238; color: #eeffff; padding: 16px; } a { color: #B2CCD6; line-height: 16px; } .error, .deleted { color: #FF5370; } .success, .inserted { color: #C3E88D; } .warning, .modified { color: #FFCB6B; } .type { color: #89DDFF; font-style: italic; } .param { color: #F78C6C; } .current { text-decoration: underline; } ]]></string>
+				<string>&lt;![CDATA[ html { background-color: #263238; color: #eeffff; padding: 16px; } a { color: #B2CCD6; line-height: 16px; } .error, .deleted { color: #FF5370; } .success, .inserted { color: #C3E88D; } .warning, .modified { color: #FFCB6B; } .type { color: #89DDFF; font-style: italic; } .param { color: #F78C6C; } .current { text-decoration: underline; } ]]&gt;</string>
 				<key>selection</key>
 				<string>#80CBC420</string>
 				<key>selectionBorder</key>