diff --git a/pkg/v1/files.go b/pkg/v1/files.go
index f4f91c1..4ef43cd 100644
--- a/pkg/v1/files.go
+++ b/pkg/v1/files.go
@@ -36,11 +36,11 @@ func (f filesHandler) CreateFolder(storage, path string) error {
 	return nil
 }
 
-// Uploads a .gcode file to the given storage at the given path.
+// Uploads a .gcode or .bgcode file to the given storage at the given path.
 func (f filesHandler) Upload(
 	storage, folderPath, fileName string, content []byte, overwrite, printAfterUpload bool,
 ) error {
-	if !strings.HasSuffix(fileName, ".gcode") {
+	if !hasValidExtension(fileName) {
 		return ErrNonGcodeFile
 	}
 	if len(content) == 0 {
@@ -68,7 +68,7 @@ func (f filesHandler) Upload(
 
 // Starts the print of the file at the given path in the given storage.
 func (f filesHandler) StartPrint(storage string, path string) error {
-	if !strings.HasSuffix(path, ".gcode") {
+	if !hasValidExtension(path) {
 		return ErrNonGcodeFile
 	}
 	_, err := f.printer.post(fmt.Sprintf("/api/v1/files/%s/%s", storage, path), nil)
@@ -105,3 +105,12 @@ func (f filesHandler) parseError(err error) error {
 	}
 	return err
 }
+
+func hasValidExtension(fileName string) bool {
+	for _, extension := range []string{".gcode", ".bgcode"} {
+		if strings.HasSuffix(fileName, extension) {
+			return true
+		}
+	}
+	return false
+}
diff --git a/pkg/v1/v1.go b/pkg/v1/v1.go
index e0e687d..1009da5 100644
--- a/pkg/v1/v1.go
+++ b/pkg/v1/v1.go
@@ -5,7 +5,7 @@ import (
 )
 
 var (
-	ErrNonGcodeFile = fmt.Errorf("file must have .gcode extension")
+	ErrNonGcodeFile = fmt.Errorf("file must have .gcode or .bgcode extension")
 	ErrEmptyFile    = fmt.Errorf("empty files are not supported")
 
 	ErrStorageNotFound = fmt.Errorf("storage not found")