1 files changed, 1 insertions, 0 deletions
diff --git a/Modules/sre.h b/Modules/sre.h
index 7e7d835..f66d608 100644
--- a/Modules/sre.h
+++ b/Modules/sre.h
@@ -21,6 +21,7 @@ typedef struct {
     PyObject* code; /* link to the code string object */
     int groups;
     PyObject* groupindex;
+    PyObject* indexgroup;
     /* compatibility */
     PyObject* pattern; /* pattern source (or None) */
     int flags; /* flags used when compiling pattern source */