--- a/generic/tdomDecls.h	2023-01-18 20:37:24.944545544 +0100
+++ b/generic/tdomDecls.h	2023-01-18 20:37:36.574361814 +0100
@@ -87,7 +87,7 @@
     int (*xML_GetIdAttributeIndex) (XML_Parser parser); /* 15 */
     domNode * (*tcldom_getNodeFromName) (Tcl_Interp *interp, char *nodeName, char **errMsg); /* 16 */
     domDocument * (*tcldom_getDocumentFromName) (Tcl_Interp *interp, char *docName, char **errMsg); /* 17 */
-    SchemaData * (*tdomGetSchemadata) (void); /* 18 */
+    SchemaData * (*tdomGetSchemadata) (Tcl_Interp *interp); /* 18 */
 } TdomStubs;
 
 extern const TdomStubs *tdomStubsPtr;