diff --git a/fuzz_test.go b/fuzz_test.go
index 70e27d1a..25586973 100644
--- a/fuzz_test.go
+++ b/fuzz_test.go
@@ -9,6 +9,8 @@ func TestFuzzString(t *testing.T) {
 		" TYPE4 TYPE6a789a3bc0045c8a5fb42c7d1bd998f5444 IN 9579b47d46817afbd17273e6",
 		" TYPE45 3 3 4147994 TYPE\\(\\)\\)\\(\\)\\(\\(\\)\\(\\)\\)\\)\\(\\)\\(\\)\\(\\(\\R 948\"\")\\(\\)\\)\\)\\(\\ ",
 		"$GENERATE 0-3 ${441189,5039418474430,o}",
+		"$INCLUDE 00 TYPE00000000000n ",
+		"$INCLUDE PE4 TYPE061463623/727071511 \\(\\)\\$GENERATE 6-462/0",
 	}
 	for i, tc := range testcases {
 		rr, err := NewRR(tc)
diff --git a/zscan.go b/zscan.go
index 1f1be96f..40ba35c3 100644
--- a/zscan.go
+++ b/zscan.go
@@ -281,7 +281,7 @@ func parseZone(r io.Reader, origin, f string, t chan *Token, include int) {
 			case zBlank:
 				l := <-c
 				if l.value == zString {
-					if _, ok := IsDomainName(l.token); !ok {
+					if _, ok := IsDomainName(l.token); !ok || l.length == 0 || l.err {
 						t <- &Token{Error: &ParseError{f, "bad origin name", l}}
 						return
 					}