diff --git a/internal/terraform/rootmodule/root_module_manager_test.go b/internal/terraform/rootmodule/root_module_manager_test.go
index 031c46faf..8dedd6f5d 100644
--- a/internal/terraform/rootmodule/root_module_manager_test.go
+++ b/internal/terraform/rootmodule/root_module_manager_test.go
@@ -463,7 +463,7 @@ func testRootModuleManager(t *testing.T) *rootModuleManager {
 	rmm.syncLoading = true
 	rmm.logger = testLogger()
 
-	rmm.newRootModule = func(ctx context.Context, dir string) (*rootModule, error) {
+	rmm.rmi.newRootModule = func(ctx context.Context, dir string) (*rootModule, error) {
 		// TODO(RS): Should be just 1, unsure why it requires 2
 		repeatability := 2
 		rm := NewRootModuleMock(&RootModuleMock{