diff --git a/compile.go b/compile.go
index 9a4a042..6e75e12 100644
--- a/compile.go
+++ b/compile.go
@@ -104,7 +104,7 @@ func finalize(config Config, buf map[FileType]*bytes.Buffer) (map[FileType]*Comp
 					return nil, err
 				}
 
-				destFile := filepath.Join(dir, "app-"+ret[key].Hash+ext)
+				destFile := filepath.Join(dir, config.FilePrefix+ret[key].Hash+ext)
 				if err := ioutil.WriteFile(destFile, bytes, 0644); err != nil {
 					return nil, err
 				}
diff --git a/config.go b/config.go
index 691eda2..3c5ef23 100644
--- a/config.go
+++ b/config.go
@@ -8,4 +8,6 @@ type Config struct {
 	Minify bool
 	// OutputDir if specified will cause the result to be written to this directory
 	OutputDir string
+	// FilePrefix is a string that will be prefixed on the files if OutputDir is specified
+	FilePrefix string
 }