diff --git a/lib/updater.php b/lib/updater.php
index cbec434..4c4ff28 100644
--- a/lib/updater.php
+++ b/lib/updater.php
@@ -178,8 +178,8 @@ function transposeSettings($oldFile,$newFile,$saveFile) {
 			// And override with old setting if not blank, not in excluded array and we have a match
 			if ($thisKey != "" && $thisKey != "versionNo" && $thisKey != "codeMirrorDir" && strpos($oldSettingsArray[$j],'"'.$thisKey.'"') > -1) {
 				$contentLine = $oldSettingsArray[$j].PHP_EOL;
-				// If the old setting we're copying over isn't replacing the last line and doesn't end in a comma (after an rtrim to remove line endings), add one
-				if ($i != count($newSettingsArray)-1 && substr(rtrim($contentLine),-1) != ",") {
+				// If the old setting we're copying over isn't replacing the last line and doesn't end in a comma (after an rtrim to remove line endings), and doesn't contain a comment, add one
+				if ($i != count($newSettingsArray)-1 && substr(rtrim($contentLine),-1) != "," && strpos($contentLine,"//") == -1) {
 					$contentLine = str_replace(PHP_EOL,",".PHP_EOL,$contentLine);	
 				}
 			}