diff --git a/internal/rosa/all.go b/internal/rosa/all.go
index a56652e..22ba015 100644
--- a/internal/rosa/all.go
+++ b/internal/rosa/all.go
@@ -123,8 +123,8 @@ const (
 	buildcatrust
 	utilMacros
 
-	// musl is a standalone libc that does not depend on the toolchain.
-	musl
+	// Musl is a standalone libc that does not depend on the toolchain.
+	Musl
 
 	// gcc is a hacked-to-pieces GCC toolchain meant for use in intermediate
 	// stages only. This preset and its direct output must never be exposed.
diff --git a/internal/rosa/musl.go b/internal/rosa/musl.go
index 4ac5a4e..74603bf 100644
--- a/internal/rosa/musl.go
+++ b/internal/rosa/musl.go
@@ -47,7 +47,7 @@ rmdir -v /work/lib
 	)...)
 }
 func init() {
-	artifactsF[musl] = func(t Toolchain) pkg.Artifact {
+	artifactsF[Musl] = func(t Toolchain) pkg.Artifact {
 		return t.newMusl(false, nil)
 	}
 }