diff --git a/lib/util/devutil.js b/lib/util/devutil.js
index 3cd1ef19..061a2631 100644
--- a/lib/util/devutil.js
+++ b/lib/util/devutil.js
@@ -5,6 +5,8 @@ var Promise = require('bluebird')
 
 var devutil = module.exports = Object.create(null)
 
+var commands = Object.create(null)
+
 function closedError(err) {
   return err.message.indexOf('closed') !== -1
 }
@@ -39,28 +41,46 @@ devutil.listPidsByComm = function(adb, serial, comm, bin) {
     shell: true
   }
 
-  return adb.shell(serial, ['ps'])
-    .then(function(out) {
-      return new Promise(function(resolve) {
-        var header = true
-        var pids = []
-        out.pipe(split())
-          .on('data', function(chunk) {
-            if (header) {
-              header = false
-            }
-            else {
-              var cols = chunk.toString().split(/\s+/)
-              if (cols.pop() === bin && users[cols[0]]) {
-                pids.push(Number(cols[1]))
-              }
-            }
-          })
-          .on('end', function() {
-            resolve(pids)
-          })
-      })
-    })
+  return new Promise(function(resolve) {
+    if ('ps' in commands) {
+      resolve(commands)
+    } else {
+      adb.getProperties(serial)
+        .then(function (properties) {
+          version = properties['ro.build.version.release']
+          if (version.match(/^8\./) != null) {
+            commands['ps'] = 'ps -lef'
+          } else {
+            commands['ps'] = 'ps'
+          }
+          resolve(commands)
+        })
+    }
+  })
+  .then(function (commands) {
+     return  adb.shell(serial, [commands['ps']])
+            .then(function (out) {
+              return new Promise(function (resolve) {
+                var header = true
+                var pids = []
+                out.pipe(split())
+                  .on('data', function (chunk) {
+                    if (header) {
+                      header = false
+                    }
+                    else {
+                      var cols = chunk.toString().split(/\s+/)
+                      if (cols.pop() === bin && users[cols[0]]) {
+                        pids.push(Number(cols[1]))
+                      }
+                    }
+                  })
+                  .on('end', function () {
+                    resolve(pids)
+                  })
+              })
+            })
+  })
 }
 
 devutil.waitForProcsToDie = function(adb, serial, comm, bin) {