1 files changed, 9 insertions, 0 deletions
diff --git a/miniinit.c b/miniinit.c
index bc6138a774..0e05cd0a94 100644
--- a/miniinit.c
+++ b/miniinit.c
@@ -28,3 +28,12 @@ Init_enc_set_filesystem_encoding(void)
 {
     return rb_enc_to_index(rb_default_external_encoding());
 }
+
+void
+Init_enc(void)
+{
+    void rb_encdb_declare(const char *name);
+    rb_encdb_declare("ASCII-8BIT");
+    rb_encdb_declare("US-ASCII");
+    rb_encdb_declare("UTF-8");
+}