diff --git a/main/musl/APKBUILD b/main/musl/APKBUILD
index c9e95de04bd..5f40cc7da30 100644
--- a/main/musl/APKBUILD
+++ b/main/musl/APKBUILD
@@ -28,6 +28,8 @@ source="https://musl.libc.org/releases/musl-$pkgver.tar.gz
 	getent.c
 	iconv.c
 	"
+# this is needed for BOOTSTRAP=nocc (see above)
+builddir="$srcdir/musl-$pkgver"
 
 # secfixes:
 #   1.2.2_pre2-r0: