diff --git a/lib/util/devutil.js b/lib/util/devutil.js
index 942b1c13..15436ede 100644
--- a/lib/util/devutil.js
+++ b/lib/util/devutil.js
@@ -46,7 +46,7 @@ devutil.listPidsByComm = function(adb, serial, comm, bin) {
               var pids = []
               out.pipe(split())
                 .on('data', function(chunk) {
-                  if (header&&chunk.toString().indexOf('bad pid') === -1) {
+                  if (header && chunk.toString().indexOf('bad pid') === -1) {
                     header = false
                   }
                   else {