diff --git a/mithril.js b/mithril.js
index 9c2806ae..48b55bea 100644
--- a/mithril.js
+++ b/mithril.js
@@ -28,7 +28,7 @@ function compileSelector(selector) {
 			var attrValue = match[6]
 			if (attrValue) attrValue = attrValue.replace(/\\(["'])/g, "$1").replace(/\\\\/g, "\\")
 			if (match[4] === "class") classes.push(attrValue)
-			else attrs[match[4]] = attrValue || true
+			else attrs[match[4]] = attrValue === "" ? attrValue : attrValue || true
 		}
 	}
 	if (classes.length > 0) attrs.className = classes.join(" ")
diff --git a/mithril.min.js b/mithril.min.js
index 1513acc3..90285386 100644
--- a/mithril.min.js
+++ b/mithril.min.js
@@ -1,5 +1,5 @@
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 a)&&(e[a]=d.attrs[a]);void 0!==m&&(void 0!==e["class"]&&(e["class"]=void 0,e.className=m),null!=d.attrs.className&&(e.className=d.attrs.className+" "+m));for(a in e)if(N.call(e,a)&&"key"!==a){h=!0;break}Array.isArray(f)&&1===f.length&&null!=f[0]&&"#"===f[0].tag?t=f[0].children:l=f;return z(d.tag,e.key,h?e:void 0,l,t)}return z(b,e.key,e,f)}function Q(b){var d=0,e=null,f="function"===typeof requestAnimationFrame?requestAnimationFrame:setTimeout;return function(){var h=Date.now();0===d||16<=h-d?(d=h,
 b()):null===e&&(e=f(function(){e=null;b();d=Date.now()},16-(h-d)))}}z.normalize=function(b){return Array.isArray(b)?z("[",void 0,void 0,z.normalizeChildren(b),void 0,void 0):null!=b&&"object"!==typeof b?z("#",void 0,void 0,!1===b?"":b,void 0,void 0):b};z.normalizeChildren=function(b){for(var d=0;d<b.length;d++)b[d]=z.normalize(b[d]);return b};var P=/(?:(^|#|\.)([^#\.\[\]]+))|(\[(.+?)(?:\s*=\s*("|'|)((?:\\["'\]]|.)*?)\5)?\])/g,M={},N={}.hasOwnProperty;B.trust=function(b){null==b&&(b="");return z("<",
 void 0,void 0,b,void 0,void 0)};B.fragment=function(b,d){return z("[",b.key,b,z.normalizeChildren(d),void 0,void 0)};var x=function(b){function d(b,a){return function v(d){var k;try{if(!a||null==d||"object"!==typeof d&&"function"!==typeof d||"function"!==typeof(k=d.then))l(function(){a||0!==b.length||console.error("Possible unhandled promise rejection:",d);for(var e=0;e<b.length;e++)b[e](d);h.length=0;m.length=0;n.state=a;n.retry=function(){v(d)}});else{if(d===f)throw new TypeError("Promise can't be resolved w/ itself");