diff --git a/src/fs_base_fsync.hpp b/src/fs_base_fsync.hpp
index 53dfcd40..051da350 100644
--- a/src/fs_base_fsync.hpp
+++ b/src/fs_base_fsync.hpp
@@ -33,6 +33,6 @@ namespace fs
   int
   fdatasync(const int fd)
   {
-    return ::fdatasync(fd);
+    return fs::fdatasync(fd);
   }
 }
diff --git a/src/fs_base_utimensat.hpp b/src/fs_base_utimensat.hpp
index fe49e3ee..5df5bba3 100644
--- a/src/fs_base_utimensat.hpp
+++ b/src/fs_base_utimensat.hpp
@@ -31,7 +31,7 @@ namespace fs
             const struct timespec  times[2],
             const int              flags)
   {
-    return ::utimensat(dirfd,path.c_str(),times,flags);
+    return fs::utimensat(dirfd,path.c_str(),times,flags);
   }
 
   static