diff --git a/src/htmlminifier.js b/src/htmlminifier.js
index d7efa991..69a8be5e 100644
--- a/src/htmlminifier.js
+++ b/src/htmlminifier.js
@@ -64,7 +64,7 @@ function collapseWhitespace(str, options, trimLeft, trimRight, collapseAll) {
 
 var createMapFromString = utils.createMapFromString;
 // non-empty tags that will maintain whitespace around them
-var inlineTags = createMapFromString('a,abbr,acronym,b,bdi,bdo,big,button,cite,code,del,dfn,em,font,i,ins,kbd,label,mark,math,nobr,object,q,rp,rt,rtc,ruby,s,samp,select,small,span,strike,strong,sub,sup,svg,textarea,time,tt,u,var');
+var inlineTags = createMapFromString('a,abbr,acronym,b,bdi,bdo,big,button,cite,code,del,dfn,em,font,i,ins,kbd,label,mark,math,nobr,object,output,q,rp,rt,rtc,ruby,s,samp,select,small,span,strike,strong,sub,sup,svg,textarea,time,tt,u,var');
 // non-empty tags that will maintain whitespace within them
 var inlineTextTags = createMapFromString('a,abbr,acronym,b,big,del,em,font,i,ins,kbd,mark,nobr,rp,s,samp,small,span,strike,strong,sub,sup,time,tt,u,var');
 // self-closing tags that will maintain whitespace around them