diff --git a/llvm/lib/System/Unix/Signals.inc b/llvm/lib/System/Unix/Signals.inc
index 7bd7526..c8ec68a 100644
--- a/llvm/lib/System/Unix/Signals.inc
+++ b/llvm/lib/System/Unix/Signals.inc
@@ -59,7 +59,7 @@
 #ifdef SIGXCPU
   , SIGXCPU
 #endif
-#ifdef SIGEMT
+#ifdef SIGXFSZ
   , SIGXFSZ
 #endif
 #ifdef SIGEMT