diff --git libgrive/src/util/OS.cc libgrive/src/util/OS.cc
index 0d51136..469e373 100644
--- libgrive/src/util/OS.cc
+++ libgrive/src/util/OS.cc
@@ -57,7 +57,7 @@ DateTime FileCTime( const std::string& filename )
 		) ;
 	}
 	
-#if defined __APPLE__ && defined __DARWIN_64_BIT_INO_T
+#if defined(__FreeBSD__) && __FreeBSD_version < 900010
 	return DateTime( s.st_ctimespec.tv_sec, s.st_ctimespec.tv_nsec ) ;
 #else
 	return DateTime( s.st_ctim.tv_sec, s.st_ctim.tv_nsec);