diff --git a/lib/common.js b/lib/common.js
index 439917f0c..9feb7bb7b 100644
--- a/lib/common.js
+++ b/lib/common.js
@@ -453,20 +453,18 @@ function formatQueryValue(key, value, stringFormattingFn) {
     case value instanceof RegExp:
       break
     case _.isArray(value): {
-      const tmpArray = new Array(value.length)
-      for (let i = 0; i < value.length; ++i) {
-        tmpArray[i] = formatQueryValue(i, value[i], stringFormattingFn)[1]
-      }
-      value = tmpArray
+      value = value.map(function(val, idx) {
+        return formatQueryValue(idx, val, stringFormattingFn)[1]
+      })
       break
     }
     case _.isObject(value): {
-      const tmpObj = {}
-      _.forOwn(value, function(subVal, subKey) {
+      value = Object.entries(value).reduce(function(acc, [subKey, subVal]) {
         const subPair = formatQueryValue(subKey, subVal, stringFormattingFn)
-        tmpObj[subPair[0]] = subPair[1]
-      })
-      value = tmpObj
+        acc[subPair[0]] = subPair[1]
+
+        return acc
+      }, {})
       break
     }
   }