X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/6b29934bd65555b7f172ba7a683ba95b59eb919b..2f44961c9ce6c8fb4890c3bab297136d08c70307:/perl.h

diff --git a/perl.h b/perl.h
index d047030..b23439f 100644
--- a/perl.h
+++ b/perl.h
@@ -3865,7 +3865,7 @@ typedef Sighandler_t Sigsave_t;
 
 #ifdef USE_PERLIO
 EXTERN_C void PerlIO_teardown(pTHX);
-# ifdef USE_THREADS
+# ifdef USE_ITHREADS
 #  define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
 #  define PERLIO_TERM 				\
 	STMT_START {				\