1 files changed, 3 insertions, 3 deletions
diff --git a/ruby.h b/ruby.h
index 800cbd854f..48de854e75 100644
--- a/ruby.h
+++ b/ruby.h
@@ -79,10 +79,10 @@ extern "C" {
 
 #if defined(HAVE_ALLOCA_H)
 #include <alloca.h>
-#endif
-
-#ifdef _AIX
+#else
+#  ifdef _AIX
 #pragma alloca
+#  endif
 #endif
 
 #if defined(__VMS)