diff --git a/main.go b/main.go
index b3525a0..ea78975 100644
--- a/main.go
+++ b/main.go
@@ -80,11 +80,7 @@ func (s *Site) runTask(task *Task) error {
 	if task.StaticDir != "" {
 		err := copyAll(task.StaticDir, task.OutputDir)
 		if err != nil {
-			if os.IsNotExist(err) {
-				log.Printf("error building static_dir '%s': %s\n", task.StaticDir, err)
-				return nil
-			}
-			return err
+			return fmt.Errorf("failed to copy static content: %w", err)
 		}
 	}
 	return nil
@@ -93,6 +89,10 @@ func (s *Site) runTask(task *Task) error {
 func copyAll(srcDir, dstDir string) error {
 	return filepath.Walk(srcDir, func(path string, info fs.FileInfo, err error) error {
 		if err != nil {
+			if path == srcDir && info == nil {
+				// The source directory doesn't exist
+				return nil
+			}
 			return err
 		}
 		if info.IsDir() {