1 files changed, 4 insertions, 0 deletions
diff --git a/ext/gdbm/gdbm.c b/ext/gdbm/gdbm.c
index 2b4ebfd26c..7276151cf1 100644
--- a/ext/gdbm/gdbm.c
+++ b/ext/gdbm/gdbm.c
@@ -222,6 +222,10 @@ fgdbm_initialize(int argc, VALUE *argv, VALUE obj)
                             GDBM_READER|flags, 0, MY_FATAL_FUNC);
     }
 
+    if (dbm) {
+        rb_fd_fix_cloexec(gdbm_fdesc(dbm));
+    }
+
     if (!dbm) {
         if (mode == -1) return Qnil;