diff --git a/lib_xua/src/core/buffer/decouple/interrupt.h b/lib_xua/src/core/buffer/decouple/interrupt.h
index ed000b75..7fc328ad 100644
--- a/lib_xua/src/core/buffer/decouple/interrupt.h
+++ b/lib_xua/src/core/buffer/decouple/interrupt.h
@@ -71,7 +71,7 @@
 
 //int ksp_enter, ksp_exit, r11_store;
 
-#ifdef __XS2A__
+#ifndef __XS1A__
 #define ISSUE_MODE_SINGLE ".issue_mode single\n"
 #define ISSUE_MODE_DUAL ".issue_mode dual\n"
 #else