diff --git a/lib/pretty.js b/lib/pretty.js
index ebb4380..5f5cf4f 100644
--- a/lib/pretty.js
+++ b/lib/pretty.js
@@ -143,18 +143,13 @@ function pretty (inputData) {
     if (this.singleLine) line += this.EOL
     line += prettifiedErrorLog
   } else if (this.hideObject === false) {
-    const skipKeys = [
+    log = filterLog({ log, context: { ignoreKeys: [
       this.messageKey,
       this.levelKey,
       this.timestampKey
-    ].filter(key => {
-      return typeof log[key] === 'string' ||
-        typeof log[key] === 'number' ||
-        typeof log[key] === 'boolean'
-    })
+    ] } })
     const prettifiedObject = prettifyObject({
       log,
-      skipKeys,
       context: this.context
     })