diff --git a/ParserKrokiTag.php b/ParserKrokiTag.php
index c725d80..fd487a6 100644
--- a/ParserKrokiTag.php
+++ b/ParserKrokiTag.php
@@ -133,6 +133,10 @@ class ParserKrokiTag {
 		$tag = new self( $parser, $parser->getOptions(), $parser->getOutput() );
 
 		$input = $parser->getStripState()->unstripNoWiki( $input ?? '' );
+		
+		if($input != null) {
+			echo $input;
+		}
 
 		$html = $tag->buildHtmlInline( (string)$input, $args );
 		self::addTagMetadata( $parser->getOutput(), $parser->getPage(), $parser->getOptions()->getIsPreview() );
@@ -223,6 +227,8 @@ class ParserKrokiTag {
 
 		// Create HttpRequest
 		$request = MediaWikiServices::getInstance()->getHttpRequestFactory()->create( $url, $requestParams, __METHOD__ );
+		
+		$request->setHeader( 'Content-Type', 'text/plain' );
 
 		// Send the request
 		$status = $request->execute();
@@ -284,6 +290,8 @@ class ParserKrokiTag {
 
 		// Create HttpRequest
 		$request = MediaWikiServices::getInstance()->getHttpRequestFactory()->create( $url, $requestParams, __METHOD__ );
+		
+		$request->setHeader( 'Content-Type', 'text/plain' );
 
 		// Send the request
 		$status = $request->execute();