diff --git a/base/musl/musl.conf b/base/musl/musl.conf
index 78fe9bd0a..99943ea3b 100644
--- a/base/musl/musl.conf
+++ b/base/musl/musl.conf
@@ -57,5 +57,5 @@ if [ "$SDECFG_LIBC" == "musl" ]; then
 fi
 
 # always install the headers even if already present in the sandbox
-hook_add postpatch 9 "touch include/*.h include/*/*.h"
+hook_add postpatch 9 "touch include/*.h include/*/*.h arch/$musl_arch/*.h arch/$musl_arch/*/*.h"
 var_append makeinstopt ' ' "install-headers"