diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 502b7aa084..f9ac332f9d 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -44,7 +44,7 @@ struct TranslationBlock;
 typedef struct TranslationBlock TranslationBlock;
 
 /* XXX: make safe guess about sizes */
-#define MAX_OP_PER_INSTR 208
+#define MAX_OP_PER_INSTR 266
 
 #if HOST_LONG_BITS == 32
 #define MAX_OPC_PARAM_PER_ARG 2