diff --git a/c_src/cmd_dump.c b/c_src/cmd_dump.c
index 86ff507d2..c9e417f29 100644
--- a/c_src/cmd_dump.c
+++ b/c_src/cmd_dump.c
@@ -112,6 +112,7 @@ int cmd_dump(int argc, char *argv[])
 	int fd, opt;
 
 	opt_set(opts, direct_io,	false);
+	opt_set(opts, noexcl,		true);
 	opt_set(opts, read_only,	true);
 	opt_set(opts, nochanges,	true);
 	opt_set(opts, norecovery,	true);