diff --git a/libutf/isprintrune.c b/libutf/isprintrune.c
index 8fc8c33..f6e2fa4 100644
--- a/libutf/isprintrune.c
+++ b/libutf/isprintrune.c
@@ -6,5 +6,5 @@ int
 isprintrune(Rune r)
 {
 	return !iscntrlrune(r) && (r != 0x2028) && (r != 0x2029) &&
-	       (r < 0xFFF9) && (r > 0xFFFB);
+	       ((r < 0xFFF9) || (r > 0xFFFB));
 }