diff --git a/sys/powerpc/powerpc/autoconf.c b/sys/powerpc/powerpc/autoconf.c
index 2f3b52781a94..faf31ea9028d 100644
--- a/sys/powerpc/powerpc/autoconf.c
+++ b/sys/powerpc/powerpc/autoconf.c
@@ -69,6 +69,7 @@ configure_final(void *dummy)
 	 */
 	mtmsr(mfmsr() | PSL_EE | PSL_RI);
 
+	cninit_finish();
 	cold = 0;
 }
 
diff --git a/sys/sparc64/sparc64/autoconf.c b/sys/sparc64/sparc64/autoconf.c
index c3885a4f49f9..59eca6aafbd0 100644
--- a/sys/sparc64/sparc64/autoconf.c
+++ b/sys/sparc64/sparc64/autoconf.c
@@ -75,5 +75,6 @@ static void
 configure_final(void *dummy)
 {
 
+	cninit_finish();
 	cold = 0;
 }