diff --git a/inference-engine/tests_deprecated/unit/engines/vpu/mvnc/pthread_semaphore_tests.cpp b/inference-engine/tests_deprecated/unit/engines/vpu/mvnc/pthread_semaphore_tests.cpp
index 78aa84fab01..9ee8d2c140c 100644
--- a/inference-engine/tests_deprecated/unit/engines/vpu/mvnc/pthread_semaphore_tests.cpp
+++ b/inference-engine/tests_deprecated/unit/engines/vpu/mvnc/pthread_semaphore_tests.cpp
@@ -61,7 +61,7 @@ class PThreadBinSemaphoreTest : public ::testing::TestWithParam<int>{
             std::cerr << "clock_gettime";
         }
 
-        auto newNsec = (long)(spec.tv_nsec + timeout * 1000000000L);
+        auto newNsec = static_cast<long long>(spec.tv_nsec + timeout * 1000000000LL);
         spec.tv_sec   += newNsec / 1000000000L;
         spec.tv_nsec  =  newNsec % 1000000000L;
 
diff --git a/inference-engine/thirdparty/movidius/mvnc/src/watchdog/watchdog.cpp b/inference-engine/thirdparty/movidius/mvnc/src/watchdog/watchdog.cpp
index 4cc66249bb8..3834ece1fc0 100644
--- a/inference-engine/thirdparty/movidius/mvnc/src/watchdog/watchdog.cpp
+++ b/inference-engine/thirdparty/movidius/mvnc/src/watchdog/watchdog.cpp
@@ -239,8 +239,9 @@ void WatchdogImpl::waitFor(const milliseconds sleepInterval) {
 #else
     clock_gettime(CLOCK_MONOTONIC, &timeToWait);
     const auto secondInNanoSeconds = 1000000000L;
-    const auto nsecSum = std::chrono::duration_cast<std::chrono::nanoseconds>(sleepInterval).count() -
-                         std::chrono::nanoseconds(sec).count() + timeToWait.tv_nsec;
+    const auto nsecSum = static_cast<long long>(
+                            std::chrono::duration_cast<std::chrono::nanoseconds>(sleepInterval).count() -
+                            std::chrono::nanoseconds(sec).count() + timeToWait.tv_nsec);
     timeToWait.tv_sec += sec.count() + nsecSum / secondInNanoSeconds;
     timeToWait.tv_nsec = nsecSum % secondInNanoSeconds;
 #endif // (defined(__APPLE__) || defined(_WIN32))