diff --git a/ChangeLog b/ChangeLog
index 4270d3e2..d2d4542f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,6 +7,8 @@
 
 - avoid a single jitter buffer for the auto detection
 
+- bug fix: ping time measurement may be invalid for the Linux OS
+
 
 
 
diff --git a/src/util.h b/src/util.h
index 424783ba..5d9e80d6 100755
--- a/src/util.h
+++ b/src/util.h
@@ -1151,7 +1151,7 @@ public:
 #else
         timespec tp;
         clock_gettime ( CLOCK_MONOTONIC, &tp );
-        return tp.tv_nsec / 1000000; // convert ns in ms
+        return tp.tv_sec * 1000 + tp.tv_nsec / 1000000; // convert ns in ms and add the seconds part
 #endif
     }
 };