diff --git a/Include/cpython/pystats.h b/Include/cpython/pystats.h
index 29ef0c0e4d4e72..ee8885cda7b60d 100644
--- a/Include/cpython/pystats.h
+++ b/Include/cpython/pystats.h
@@ -31,7 +31,7 @@
 
 #define PYSTATS_MAX_UOP_ID 512
 
-#define SPECIALIZATION_FAILURE_KINDS 36
+#define SPECIALIZATION_FAILURE_KINDS 37
 
 /* Stats for determining who is calling PyEval_EvalFrame */
 #define EVAL_CALL_TOTAL 0