diff --git a/glob_test.go b/glob_test.go
index b8833a9..65c5832 100644
--- a/glob_test.go
+++ b/glob_test.go
@@ -17,7 +17,7 @@ import (
 	"github.com/matryer/is"
 )
 
-func TestGlob(t *testing.T) { // nolint:funlen
+func TestGlob(t *testing.T) { // nolint:funlen,maintidx
 	t.Parallel()
 	t.Run("real", func(t *testing.T) {
 		t.Parallel()
diff --git a/prefix.go b/prefix.go
index 05cdfb8..230ee50 100644
--- a/prefix.go
+++ b/prefix.go
@@ -47,7 +47,11 @@ func staticText(node *ast.Node) (text string, ok bool) {
 
 		return text, true
 	case ast.KindText:
-		return node.Value.(ast.Text).Text, true
+		t, ok := node.Value.(ast.Text)
+		if !ok {
+			return "", false
+		}
+		return t.Text, true
 	case ast.KindNothing:
 		return "", true
 	default: