summaryrefslogtreecommitdiff
path: root/ext/zlib/zlib.c
diff options
context:
space:
mode:
Diffstat (limited to 'ext/zlib/zlib.c')
-rw-r--r--ext/zlib/zlib.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index d7caddf39a..7b74a40860 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -4554,7 +4554,7 @@ zlib_gunzip_run(VALUE arg)
void
Init_zlib(void)
{
-#if HAVE_RB_EXT_RACTOR_SAFE
+#ifdef HAVE_RB_EXT_RACTOR_SAFE
rb_ext_ractor_safe(true);
#endif