diff --git a/Include/opcode.h b/Include/opcode.h
index 2a29e97..95d5601 100644
--- a/Include/opcode.h
+++ b/Include/opcode.h
@@ -53,6 +53,7 @@
 #define LOAD_BUILD_CLASS         71
 #define YIELD_FROM               72
 #define GET_AWAITABLE            73
+#define LOAD_ASSERTION_ERROR     74
 #define INPLACE_LSHIFT           75
 #define INPLACE_RSHIFT           76
 #define INPLACE_AND              77