diff --git a/internal/backend/sftp/sftp.go b/internal/backend/sftp/sftp.go
index 8f7855a3..47b6871c 100644
--- a/internal/backend/sftp/sftp.go
+++ b/internal/backend/sftp/sftp.go
@@ -179,7 +179,7 @@ func (r *SFTP) IsNotExist(err error) bool {
 
 func buildSSHCommand(cfg Config) (cmd string, args []string, err error) {
 	if cfg.Command != "" {
-		return SplitShellArgs(cfg.Command)
+		return backend.SplitShellArgs(cfg.Command)
 	}
 
 	cmd = "ssh"
diff --git a/internal/backend/sftp/split.go b/internal/backend/shell_split.go
similarity index 99%
rename from internal/backend/sftp/split.go
rename to internal/backend/shell_split.go
index d429f7e3..d28ea603 100644
--- a/internal/backend/sftp/split.go
+++ b/internal/backend/shell_split.go
@@ -1,4 +1,4 @@
-package sftp
+package backend
 
 import (
 	"unicode"
diff --git a/internal/backend/sftp/split_test.go b/internal/backend/shell_split_test.go
similarity index 99%
rename from internal/backend/sftp/split_test.go
rename to internal/backend/shell_split_test.go
index 06241b29..bb7963d2 100644
--- a/internal/backend/sftp/split_test.go
+++ b/internal/backend/shell_split_test.go
@@ -1,4 +1,4 @@
-package sftp
+package backend
 
 import (
 	"reflect"