diff --git a/core/src/main/resources/org/teavm/backend/javascript/runtime.js b/core/src/main/resources/org/teavm/backend/javascript/runtime.js
index d4b7b7e74..0a318d91c 100644
--- a/core/src/main/resources/org/teavm/backend/javascript/runtime.js
+++ b/core/src/main/resources/org/teavm/backend/javascript/runtime.js
@@ -24,11 +24,7 @@ function $rt_nextId() {
     return x;
 }
 function $rt_compare(a, b) {
-    var nanA = a != a;
-    var nanB = b != b;
-    if (nanA | nanB) return nanA - nanB;
-    if (a === 0 && b === 0) { a = 1 / a, b = 1 / b; }
-    return (a > b) - (a < b);
+    return a > b ? 1 : a < b ? -1 : a === b ? 0 : 1;
 }
 function $rt_isInstance(obj, cls) {
     return obj !== null && !!obj.constructor.$meta && $rt_isAssignable(obj.constructor, cls);