diff --git a/contrib/epee/include/math_helper.h b/contrib/epee/include/math_helper.h
index e22e8ee6e..35b649972 100644
--- a/contrib/epee/include/math_helper.h
+++ b/contrib/epee/include/math_helper.h
@@ -243,6 +243,7 @@ namespace math_helper
       present = present << 32;
       present |= fileTime.dwLowDateTime;
       present /= 10;  // mic-sec
+      return present;
 #else
       struct timeval tv;
       gettimeofday(&tv, NULL);