diff --git a/lib/internal/util/inspect.js b/lib/internal/util/inspect.js
index d20c7b93c92ceb..4def103f42adeb 100644
--- a/lib/internal/util/inspect.js
+++ b/lib/internal/util/inspect.js
@@ -560,15 +560,6 @@ function formatValue(ctx, value, recurseTimes, typedArray) {
   return formatRaw(ctx, value, recurseTimes, typedArray);
 }
 
-function setIteratorBraces(type, tag) {
-  if (tag !== `${type} Iterator`) {
-    if (tag !== '')
-      tag += '] [';
-    tag += `${type} Iterator`;
-  }
-  return [`[${tag}] {`, '}'];
-}
-
 function formatRaw(ctx, value, recurseTimes, typedArray) {
   let keys;
 
@@ -630,11 +621,11 @@ function formatRaw(ctx, value, recurseTimes, typedArray) {
       extrasType = kArrayExtrasType;
     } else if (isMapIterator(value)) {
       keys = getKeys(value, ctx.showHidden);
-      braces = setIteratorBraces('Map', tag);
+      braces = getIteratorBraces('Map', tag);
       formatter = formatIterator;
     } else if (isSetIterator(value)) {
       keys = getKeys(value, ctx.showHidden);
-      braces = setIteratorBraces('Set', tag);
+      braces = getIteratorBraces('Set', tag);
       formatter = formatIterator;
     } else {
       noIterator = true;
@@ -754,10 +745,10 @@ function formatRaw(ctx, value, recurseTimes, typedArray) {
         }
       }
       if (isMapIterator(value)) {
-        braces = setIteratorBraces('Map', tag);
+        braces = getIteratorBraces('Map', tag);
         formatter = formatIterator;
       } else if (isSetIterator(value)) {
-        braces = setIteratorBraces('Set', tag);
+        braces = getIteratorBraces('Set', tag);
         formatter = formatIterator;
       // Handle other regular objects again.
       } else if (keys.length === 0) {
@@ -818,6 +809,15 @@ function formatRaw(ctx, value, recurseTimes, typedArray) {
   return res;
 }
 
+function getIteratorBraces(type, tag) {
+  if (tag !== `${type} Iterator`) {
+    if (tag !== '')
+      tag += '] [';
+    tag += `${type} Iterator`;
+  }
+  return [`[${tag}] {`, '}'];
+}
+
 function formatError(err, constructor, tag, ctx) {
   // TODO(BridgeAR): Always show the error code if present.
   let stack = err.stack || ErrorPrototype.toString(err);