diff --git a/src/constants.go b/src/constants.go
index 980e1583..ececdb97 100644
--- a/src/constants.go
+++ b/src/constants.go
@@ -26,7 +26,7 @@ const (
 	previewCancelWait = 500 * time.Millisecond
 	previewChunkDelay = 100 * time.Millisecond
 	previewDelayed    = 500 * time.Millisecond
-	maxPatternLength  = 300
+	maxPatternLength  = 1000
 	maxMulti          = math.MaxInt32
 
 	// Matcher