diff --git a/packages/logging/src/index.js b/packages/logging/src/index.js
index c2e46b2bedf..83bbf2f10ba 100644
--- a/packages/logging/src/index.js
+++ b/packages/logging/src/index.js
@@ -452,13 +452,16 @@ Logging.prototype.getSinksStream = common.paginator.streamify('getSinks');
  * @resource [Log Overview]{@link https://cloud.google.com/logging/docs/api/ref_v2beta1/rest/v2beta1/projects.logs}
  *
  * @param {string} name - Name of the existing log.
+ * @param {object=} options - Configuration object.
+ * @param {boolean} options.removeCircular - Replace circular references in
+ *     logged objects with a string value, `[Circular]`. (Default: false)
  * @return {module:logging/log}
  *
  * @example
  * var log = logging.log('my-log');
  */
-Logging.prototype.log = function(name) {
-  return new Log(this, name);
+Logging.prototype.log = function(name, options) {
+  return new Log(this, name, options);
 };
 
 /**
diff --git a/packages/logging/src/log.js b/packages/logging/src/log.js
index b14cb486627..7a59c70919d 100644
--- a/packages/logging/src/log.js
+++ b/packages/logging/src/log.js
@@ -57,13 +57,19 @@ var Metadata = require('./metadata.js');
  * @constructor
  *
  * @param {string} name - Name of the log.
+ * @param {object=} options - Configuration object.
+ * @param {boolean} options.removeCircular - Replace circular references in
+ *     logged objects with a string value, `[Circular]`. (Default: false)
  *
  * @example
  * var log = logging.log('syslog');
  */
-function Log(logging, name) {
+function Log(logging, name, options) {
+  options = options || {};
+
   this.formattedName_ = Log.formatName_(logging.projectId, name);
   this.name = this.formattedName_.split('/').pop();
+  this.removeCircular_ = !!options.removeCircular;
 
   this.metadata_ = new Metadata(logging);
 
@@ -520,8 +526,6 @@ Log.prototype.warning = function(entry, options, callback) {
  * @param {object[]} options.labels - Labels to set on the log.
  * @param {object} options.resource - A default monitored resource for entries
  *     where one isn't specified.
- * @param {boolean} options.removeCircular - Replace circular references in an
- *     object with a string value, `[Circular]`.
  * @param {function} callback - The callback function.
  * @param {?error} callback.err - An error returned while making this request.
  * @param {object} callback.apiResponse - The full API response.
@@ -599,9 +603,7 @@ Log.prototype.write = function(entry, options, callback) {
 
   var entries = arrify(entry);
 
-  this.decorateEntries_(entries, {
-    removeCircular: options.removeCircular
-  }, function(err, decoratedEntries) {
+  this.decorateEntries_(entries, function(err, decoratedEntries) {
     // Ignore errors (the API will speak up if it has an issue).
 
     reqOpts.entries = decoratedEntries;
@@ -619,24 +621,18 @@ Log.prototype.write = function(entry, options, callback) {
  * @private
  *
  * @param {object} entry - An entry object.
- * @param {object} options - configuration object
- * @param {boolean} options.removeCircular - Replace circular references in an
- *     object with a string value, `[Circular]`.
  */
-Log.prototype.decorateEntries_ = function(entries, options, callback) {
+Log.prototype.decorateEntries_ = function(entries, callback) {
   var self = this;
 
-  if (is.fn(options)) {
-    callback = options;
-    options = {};
-  }
-
   async.map(entries, function(entry, callback) {
     if (!(entry instanceof Entry)) {
       entry = self.entry(entry);
     }
 
-    var decoratedEntry = entry.toJSON(options);
+    var decoratedEntry = entry.toJSON({
+      removeCircular: self.removeCircular_
+    });
     decoratedEntry.logName = self.formattedName_;
 
     self.metadata_.assignDefaultResource(decoratedEntry, function(err, entry) {
diff --git a/packages/logging/test/log.js b/packages/logging/test/log.js
index 100d1d7e512..b187a315404 100644
--- a/packages/logging/test/log.js
+++ b/packages/logging/test/log.js
@@ -101,6 +101,10 @@ describe('Log', function() {
       assert.strictEqual(log.name, LOG_NAME_ENCODED);
     });
 
+    it('should localize removeCircular_ to default value', function() {
+      assert.strictEqual(log.removeCircular_, false);
+    });
+
     it('should localize the formatted name', function() {
       var formattedName = 'formatted-name';
 
@@ -139,6 +143,12 @@ describe('Log', function() {
         }
       });
     });
+
+    it('should accept and localize options.removeCircular', function() {
+      var options = { removeCircular: true };
+      var log = new Log(LOGGING, LOG_NAME_FORMATTED, options);
+      assert.strictEqual(log.removeCircular_, true);
+    });
   });
 
   describe('assignSeverityToEntries_', function() {
@@ -321,7 +331,7 @@ describe('Log', function() {
     };
 
     beforeEach(function() {
-      log.decorateEntries_ = function(entries, options, callback) {
+      log.decorateEntries_ = function(entries, callback) {
         callback(null, entries);
       };
     });
@@ -343,7 +353,7 @@ describe('Log', function() {
     it('should arrify & decorate the entries', function(done) {
       var decoratedEntries = [];
 
-      log.decorateEntries_ = function(entries, options, callback) {
+      log.decorateEntries_ = function(entries, callback) {
         assert.strictEqual(entries[0], ENTRY);
         callback(null, decoratedEntries);
       };
@@ -380,15 +390,6 @@ describe('Log', function() {
 
       log.write(ENTRY, done);
     });
-
-    it('should pass options.removeCircular to decorateEntries', function(done) {
-      log.decorateEntries_ = function(entries, options) {
-        assert.strictEqual(options.removeCircular, true);
-        done();
-      };
-
-      log.write(ENTRY, { removeCircular: true }, assert.ifError);
-    });
   });
 
   describe('severity shortcuts', function() {
@@ -682,17 +683,17 @@ describe('Log', function() {
       });
     });
 
-    it('should pass options to toJSON', function(done) {
-      var options = {};
+    it('should pass log.removeCircular to toJSON', function(done) {
+      log.removeCircular_ = true;
 
       var entry = new Entry();
       entry.toJSON = function(options_) {
-        assert.strictEqual(options_, options);
+        assert.deepStrictEqual(options_, { removeCircular: true });
         setImmediate(done);
         return {};
       };
 
-      log.decorateEntries_([entry], options, assert.ifError);
+      log.decorateEntries_([entry], assert.ifError);
     });
 
     it('should assign the log name', function(done) {