diff --git a/webrtc/video_engine/test/auto_test/primitives/general_primitives.cc b/webrtc/video_engine/test/auto_test/primitives/general_primitives.cc
index 86d4b648a..fda0abdf3 100644
--- a/webrtc/video_engine/test/auto_test/primitives/general_primitives.cc
+++ b/webrtc/video_engine/test/auto_test/primitives/general_primitives.cc
@@ -36,17 +36,19 @@ void FindCaptureDeviceOnSystem(webrtc::ViECapture* capture,
     *device_video = webrtc::VideoCaptureFactory::Create(4571, unique_id);
     EXPECT_TRUE(*device_video != NULL);
 
-    (*device_video)->AddRef();
+    if (*device_video) {
+      (*device_video)->AddRef();
 
-    int error = capture->AllocateCaptureDevice(**device_video, *device_id);
-    if (error == 0) {
-      ViETest::Log("Using capture device: %s, captureId: %d.",
-                   device_name, *device_id);
-      capture_device_set = true;
-      break;
-    } else {
-      (*device_video)->Release();
-      (*device_video) = NULL;
+      int error = capture->AllocateCaptureDevice(**device_video, *device_id);
+      if (error == 0) {
+        ViETest::Log("Using capture device: %s, captureId: %d.",
+                     device_name, *device_id);
+        capture_device_set = true;
+        break;
+      } else {
+        (*device_video)->Release();
+        (*device_video) = NULL;
+      }
     }
   }
   delete dev_info;
diff --git a/webrtc/video_engine/test/auto_test/source/vie_autotest_base.cc b/webrtc/video_engine/test/auto_test/source/vie_autotest_base.cc
index 5f0ef7cff..4a7437a96 100644
--- a/webrtc/video_engine/test/auto_test/source/vie_autotest_base.cc
+++ b/webrtc/video_engine/test/auto_test/source/vie_autotest_base.cc
@@ -28,7 +28,7 @@ void ViEAutoTest::ViEBaseStandardTest() {
   int video_channel = -1;
   EXPECT_EQ(0, interfaces.base->CreateChannel(video_channel));
 
-  webrtc::VideoCaptureModule* video_capture_module(NULL);
+  webrtc::VideoCaptureModule* video_capture_module = NULL;
   const unsigned int kMaxDeviceNameLength = 128;
   char device_name[kMaxDeviceNameLength];
   memset(device_name, 0, kMaxDeviceNameLength);
@@ -44,6 +44,10 @@ void ViEAutoTest::ViEBaseStandardTest() {
                             &capture_id,
                             &video_capture_module);
 
+  EXPECT_TRUE(video_capture_module);
+  if (!video_capture_module)
+    return;
+
   EXPECT_EQ(0, capture_interface->ConnectCaptureDevice(capture_id,
                                                        video_channel));
   EXPECT_EQ(0, capture_interface->StartCapture(capture_id));
diff --git a/webrtc/video_engine/test/auto_test/source/vie_autotest_capture.cc b/webrtc/video_engine/test/auto_test/source/vie_autotest_capture.cc
index bec665767..d44f6b916 100644
--- a/webrtc/video_engine/test/auto_test/source/vie_autotest_capture.cc
+++ b/webrtc/video_engine/test/auto_test/source/vie_autotest_capture.cc
@@ -121,10 +121,10 @@ void ViEAutoTest::ViECaptureStandardTest() {
   ASSERT_GT(number_of_capture_devices, 0)
       << "This test requires a capture device (i.e. a webcam)";
 
-  int capture_device_id[10];
-  memset(capture_device_id, 0, sizeof(capture_device_id));
-  webrtc::VideoCaptureModule* vcpms[10];
-  memset(vcpms, 0, sizeof(vcpms));
+#if !defined(WEBRTC_MAC)
+  int capture_device_id[10] = {0};
+  webrtc::VideoCaptureModule* vcpms[10] = {0};
+#endif
 
   // Check capabilities
   for (int device_index = 0; device_index < number_of_capture_devices;
@@ -179,6 +179,9 @@ void ViEAutoTest::ViECaptureStandardTest() {
     webrtc::VideoCaptureModule* vcpm =
         webrtc::VideoCaptureFactory::Create(device_index, device_unique_name);
     EXPECT_TRUE(vcpm != NULL);
+    if (!vcpm)
+      continue;
+
     vcpm->AddRef();
     vcpms[device_index] = vcpm;
 
@@ -249,7 +252,8 @@ void ViEAutoTest::ViECaptureStandardTest() {
     EXPECT_EQ(0, video_engine.capture->ReleaseCaptureDevice(
         capture_device_id[device_index]));
 #endif  // !WEBRTC_ANDROID
-    vcpms[device_index]->Release();
+    if (vcpms[device_index])
+      vcpms[device_index]->Release();
   }
 #endif  // !WEBRTC_MAC
 }
diff --git a/webrtc/video_engine/test/libvietest/testbed/tb_capture_device.cc b/webrtc/video_engine/test/libvietest/testbed/tb_capture_device.cc
index 684bff978..61b356563 100644
--- a/webrtc/video_engine/test/libvietest/testbed/tb_capture_device.cc
+++ b/webrtc/video_engine/test/libvietest/testbed/tb_capture_device.cc
@@ -66,7 +66,8 @@ TbCaptureDevice::~TbCaptureDevice(void)
 {
     EXPECT_EQ(0, ViE.capture->StopCapture(captureId));
     EXPECT_EQ(0, ViE.capture->ReleaseCaptureDevice(captureId));
-    vcpm_->Release();
+    if (vcpm_)
+      vcpm_->Release();
 }
 
 void TbCaptureDevice::ConnectTo(int videoChannel)