diff --git a/target-mips/cpu.h b/target-mips/cpu.h
index 31602ac..507a213 100644
--- a/target-mips/cpu.h
+++ b/target-mips/cpu.h
@@ -616,9 +616,9 @@ enum {
     EXCP_DSPDIS,
 
     EXCP_LAST = EXCP_DSPDIS,
+    /* Dummy exception for conditional stores. */
+    EXCP_SC = EXCP_LAST,
 };
-/* Dummy exception for conditional stores.  */
-#define EXCP_SC 0x100
 
 /*
  * This is an interrnally generated WAKE request line.