diff --git a/doc/Changelog b/doc/Changelog
index 1f788f683..206963cfc 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -3,6 +3,9 @@
 	  CLASSXX representation.
 	- For #909: Fix return values.
 
+20 July 2023: Wouter
+	- For #909: Fix RR class comparison.
+
 14 July 2023: George
 	- More clear description of the different auth-zone behaviors on the
 	  man page.
diff --git a/sldns/rrdef.c b/sldns/rrdef.c
index 55ea2d922..e81ebb1fc 100644
--- a/sldns/rrdef.c
+++ b/sldns/rrdef.c
@@ -745,7 +745,7 @@ sldns_get_rr_class_by_name(const char *name)
 	/* CLASSXX representation */
 	if (strlen(name) > 5 && strncasecmp(name, "CLASS", 5) == 0) {
 		unsigned int a = atoi(name + 5);
-		if (a > LDNS_RR_TYPE_LAST) {
+		if (a > LDNS_RR_CLASS_LAST) {
 			return (enum sldns_enum_rr_class)0;
 		}
 		return a;