diff --git a/internal/inst/table_test.go b/internal/inst/table_test.go
index 48921c2..9bd6efd 100644
--- a/internal/inst/table_test.go
+++ b/internal/inst/table_test.go
@@ -9,6 +9,7 @@ import (
 	"github.com/mmcloughlin/avo/internal/gen"
 	"github.com/mmcloughlin/avo/internal/inst"
 	"github.com/mmcloughlin/avo/internal/test"
+	"github.com/mmcloughlin/avo/printer"
 )
 
 func TestHaveInstructions(t *testing.T) {
@@ -70,7 +71,7 @@ func TestInstructionProperties(t *testing.T) {
 }
 
 func TestAssembles(t *testing.T) {
-	g := gen.NewAsmTest(gen.Config{})
+	g := gen.NewAsmTest(printer.NewDefaultConfig())
 	b, err := g.Generate(inst.Instructions)
 	if err != nil {
 		t.Fatal(err)
diff --git a/internal/load/load_test.go b/internal/load/load_test.go
index 6c93177..0b7d3f1 100644
--- a/internal/load/load_test.go
+++ b/internal/load/load_test.go
@@ -7,6 +7,7 @@ import (
 	"github.com/mmcloughlin/avo/internal/inst"
 	"github.com/mmcloughlin/avo/internal/load"
 	"github.com/mmcloughlin/avo/internal/test"
+	"github.com/mmcloughlin/avo/printer"
 )
 
 func Load(t *testing.T) []inst.Instruction {
@@ -21,7 +22,7 @@ func Load(t *testing.T) []inst.Instruction {
 
 func TestAssembles(t *testing.T) {
 	is := Load(t)
-	g := gen.NewAsmTest(gen.Config{})
+	g := gen.NewAsmTest(printer.NewDefaultConfig())
 	b, err := g.Generate(is)
 	if err != nil {
 		t.Fatal(err)