1 files changed, 2 insertions, 0 deletions
diff --git a/id.c b/id.c
index c5d7e3642b..0226a9f5aa 100644
--- a/id.c
+++ b/id.c
@@ -18,6 +18,8 @@
 void
 Init_id(void)
 {
+#undef rb_intern
+
     /* Symbols */
     symIFUNC = ID2SYM(rb_intern("<IFUNC>"));
     symCFUNC = ID2SYM(rb_intern("<CFUNC>"));