1 files changed, 1 insertions, 1 deletions
diff --git a/configure b/configure
index 5e8ee6aed6..b0f9543d22 100644
--- a/configure
+++ b/configure
@@ -562,7 +562,7 @@ fi
 
 if test $rb_thread = yes; then
   cat >> confdefs.h <<\EOF
-#define USE_THREAD 1
+#define THREAD 1
 EOF
 
 fi