diff --git a/src/platform/waiter_linux.h b/src/platform/waiter_linux.h
index 071e6c8..f65045c 100644
--- a/src/platform/waiter_linux.h
+++ b/src/platform/waiter_linux.h
@@ -3,9 +3,9 @@
 #include <pthread.h>
 #include <fcntl.h>
 #include <sys/stat.h>
+#include <sys/time.h>
 #include <semaphore.h>
 #include <errno.h>
-#include <time.h>
 
 #include <atomic>
 #include <tuple>
@@ -19,11 +19,17 @@
 namespace ipc {
 namespace detail {
 
-inline static void calc_wait_time(timespec& ts, std::size_t tm) {
-    ::clock_gettime(CLOCK_REALTIME, &ts);
-    ts.tv_nsec += tm * 1000000; // nanoseconds
-    ts.tv_sec  += ts.tv_nsec / 1000000000;
+inline static bool calc_wait_time(timespec& ts, std::size_t tm /*ms*/) {
+    timeval now;
+    int eno = ::gettimeofday(&now, NULL);
+    if (eno != 0) {
+        ipc::error("fail gettimeofday[%d]\n", eno);
+        return false;
+    }
+    ts.tv_nsec = (now.tv_usec + (tm % 1000) * 1000) * 1000;
+    ts.tv_sec  =  now.tv_sec  + (tm / 1000) + (ts.tv_nsec / 1000000000);
     ts.tv_nsec %= 1000000000;
+    return true;
 }
 
 #pragma push_macro("IPC_PTHREAD_FUNC_")