diff --git a/multifilereader.go b/multifilereader.go
index 758b501..cf3d14c 100644
--- a/multifilereader.go
+++ b/multifilereader.go
@@ -34,7 +34,7 @@ type MultiFileReader struct {
 // NewMultiFileReader constructs a MultiFileReader. `file` can be any `commands.Directory`.
 // If `form` is set to true, the multipart data will have a Content-Type of 'multipart/form-data',
 // if `form` is false, the Content-Type will be 'multipart/mixed'.
-func NewMultiFileReader(file Directory, form bool) (*MultiFileReader, error) {
+func NewMultiFileReader(file Directory, form bool) *MultiFileReader {
 	it := file.Entries()
 
 	mfr := &MultiFileReader{
@@ -45,7 +45,7 @@ func NewMultiFileReader(file Directory, form bool) (*MultiFileReader, error) {
 	}
 	mfr.mpWriter = multipart.NewWriter(&mfr.buf)
 
-	return mfr, nil
+	return mfr
 }
 
 func (mfr *MultiFileReader) Read(buf []byte) (written int, err error) {
diff --git a/multifilereader_test.go b/multifilereader_test.go
index 154c5b2..a7d6421 100644
--- a/multifilereader_test.go
+++ b/multifilereader_test.go
@@ -19,11 +19,7 @@ func getTestMultiFileReader(t *testing.T) *MultiFileReader {
 	})
 
 	// testing output by reading it with the go stdlib "mime/multipart" Reader
-	r, err := NewMultiFileReader(sf, true)
-	if err != nil {
-		t.Fatal(err)
-	}
-	return r
+	return NewMultiFileReader(sf, true)
 }
 
 func TestMultiFileReaderToMultiFile(t *testing.T) {