diff --git a/lib/timers.js b/lib/timers.js
index 696df5a7ebb3e7..884c76403997af 100644
--- a/lib/timers.js
+++ b/lib/timers.js
@@ -320,8 +320,8 @@ function unrefdHandle() {
 
   // Make sure we clean up if the callback is no longer a function
   // even if the timer is an interval.
-  if (!this.owner._repeat
-      || typeof this.owner._onTimeout !== 'function') {
+  if (!this.owner._repeat ||
+      typeof this.owner._onTimeout !== 'function') {
     this.owner.close();
   }
 }
diff --git a/test/parallel/test-preload.js b/test/parallel/test-preload.js
index 824cdbc98f9492..74b4d3c8706687 100644
--- a/test/parallel/test-preload.js
+++ b/test/parallel/test-preload.js
@@ -24,27 +24,27 @@ var fixtureC = fixture('printC.js');
 var fixtureThrows = fixture('throws_error4.js');
 
 // test preloading a single module works
-child_process.exec(nodeBinary + ' '
-  + preloadOption([fixtureA]) + ' '
-  + fixtureB,
+child_process.exec(nodeBinary + ' ' +
+  preloadOption([fixtureA]) + ' ' +
+  fixtureB,
   function(err, stdout, stderr) {
     if (err) throw err;
     assert.strictEqual(stdout, 'A\nB\n');
   });
 
 // test preloading multiple modules works
-child_process.exec(nodeBinary + ' '
-  + preloadOption([fixtureA, fixtureB]) + ' '
-  + fixtureC,
+child_process.exec(nodeBinary + ' ' +
+  preloadOption([fixtureA, fixtureB]) + ' ' +
+  fixtureC,
   function(err, stdout, stderr) {
     if (err) throw err;
     assert.strictEqual(stdout, 'A\nB\nC\n');
   });
 
 // test that preloading a throwing module aborts
-child_process.exec(nodeBinary + ' '
-  + preloadOption([fixtureA, fixtureThrows]) + ' '
-  + fixtureB,
+child_process.exec(nodeBinary + ' ' +
+  preloadOption([fixtureA, fixtureThrows]) + ' ' +
+  fixtureB,
   function(err, stdout, stderr) {
     if (err) {
       assert.strictEqual(stdout, 'A\n');
@@ -54,9 +54,9 @@ child_process.exec(nodeBinary + ' '
   });
 
 // test that preload can be used with --eval
-child_process.exec(nodeBinary + ' '
-  + preloadOption([fixtureA])
-  + '-e "console.log(\'hello\');"',
+child_process.exec(nodeBinary + ' ' +
+  preloadOption([fixtureA]) +
+  '-e "console.log(\'hello\');"',
   function(err, stdout, stderr) {
     if (err) throw err;
     assert.strictEqual(stdout, 'A\nhello\n');
@@ -64,18 +64,18 @@ child_process.exec(nodeBinary + ' '
 
 // test that preload placement at other points in the cmdline
 // also test that duplicated preload only gets loaded once
-child_process.exec(nodeBinary + ' '
-  + preloadOption([fixtureA])
-  + '-e "console.log(\'hello\');" '
-  + preloadOption([fixtureA, fixtureB]),
+child_process.exec(nodeBinary + ' ' +
+  preloadOption([fixtureA]) +
+  '-e "console.log(\'hello\');" ' +
+  preloadOption([fixtureA, fixtureB]),
   function(err, stdout, stderr) {
     if (err) throw err;
     assert.strictEqual(stdout, 'A\nB\nhello\n');
   });
 
-child_process.exec(nodeBinary + ' '
-  + '--require ' + fixture('cluster-preload.js') + ' '
-  + fixture('cluster-preload-test.js'),
+child_process.exec(nodeBinary + ' ' +
+  '--require ' + fixture('cluster-preload.js') + ' ' +
+  fixture('cluster-preload-test.js'),
   function(err, stdout, stderr) {
     if (err) throw err;
     assert.ok(/worker terminated with code 43/.test(stdout));
@@ -83,10 +83,10 @@ child_process.exec(nodeBinary + ' '
 
 // https://github.com/nodejs/node/issues/1691
 process.chdir(common.fixturesDir);
-child_process.exec(nodeBinary + ' '
-  + '--expose_debug_as=v8debug '
-  + '--require ' + fixture('cluster-preload.js') + ' '
-  + 'cluster-preload-test.js',
+child_process.exec(nodeBinary + ' ' +
+  '--expose_debug_as=v8debug ' +
+  '--require ' + fixture('cluster-preload.js') + ' ' +
+  'cluster-preload-test.js',
   function(err, stdout, stderr) {
     if (err) throw err;
     assert.ok(/worker terminated with code 43/.test(stdout));
diff --git a/test/parallel/test-repl-domain.js b/test/parallel/test-repl-domain.js
index 759eb61405bae4..9727846bb49707 100644
--- a/test/parallel/test-repl-domain.js
+++ b/test/parallel/test-repl-domain.js
@@ -18,6 +18,6 @@ putIn.write = function(data) {
 };
 
 putIn.run([
-  'require("domain").create().on("error", function() { console.log("OK") })'
-  + '.run(function() { throw new Error("threw") })'
+  'require("domain").create().on("error", function() { console.log("OK") })' +
+  '.run(function() { throw new Error("threw") })'
 ]);