diff --git a/src/util.cpp b/src/util.cpp
index 136a0354..16c8f3fc 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -1156,6 +1156,8 @@ void FileCommit(FILE *fileout)
 #else
     #if defined(__linux__) || defined(__NetBSD__)
     fdatasync(fileno(fileout));
+    #elif defined(__APPLE__) && defined(F_FULLFSYNC)
+    fcntl(fileno(fileout), F_FULLFSYNC, 0);
     #else
     fsync(fileno(fileout));
     #endif