diff --git a/ext/stats/percentile.go b/ext/stats/percentile.go
index a4c3199..6137e47 100644
--- a/ext/stats/percentile.go
+++ b/ext/stats/percentile.go
@@ -32,7 +32,7 @@ func (q *percentile) Step(ctx sqlite3.Context, arg ...sqlite3.Value) {
 		q.nums = append(q.nums, a.Float())
 	}
 	if q.kind != median {
-		q.arg1 = arg[1].Blob(q.arg1[:0])
+		q.arg1 = append(q.arg1[:0], arg[1].RawText()...)
 	}
 }
 
diff --git a/func_win_test.go b/func_win_test.go
index 4117748..cfaff3d 100644
--- a/func_win_test.go
+++ b/func_win_test.go
@@ -78,7 +78,7 @@ func (f *countASCII) isASCII(arg sqlite3.Value) bool {
 	if arg.Type() != sqlite3.TEXT {
 		return false
 	}
-	for _, c := range arg.RawBlob() {
+	for _, c := range arg.RawText() {
 		if c > unicode.MaxASCII {
 			return false
 		}