diff --git a/lib/zlib.js b/lib/zlib.js
index 4e82c6f2459d6b..ca5f05884ad3c0 100644
--- a/lib/zlib.js
+++ b/lib/zlib.js
@@ -198,12 +198,12 @@ function checkFiniteNumber(number, name) {
   throw err;
 }
 
-// 1. Returns def for undefined and NaN
+// 1. Returns def for number when it's undefined or NaN
 // 2. Returns number for finite numbers >= lower and <= upper
 // 3. Throws ERR_INVALID_ARG_TYPE for non-numbers
 // 4. Throws ERR_OUT_OF_RANGE for infinite numbers or numbers > upper or < lower
 function checkRangesOrGetDefault(number, name, lower, upper, def) {
-  if (!checkFiniteNumber(number, name, lower, upper)) {
+  if (!checkFiniteNumber(number, name)) {
     return def;
   }
   if (number < lower || number > upper) {