diff --git a/usr/lib/pkcs11/common/new_host.c b/usr/lib/pkcs11/common/new_host.c
index 2155e38d..6e4a8962 100755
--- a/usr/lib/pkcs11/common/new_host.c
+++ b/usr/lib/pkcs11/common/new_host.c
@@ -756,6 +756,9 @@ CK_RV SC_Finalize( CK_SLOT_ID sid )
 	session_mgr_close_all_sessions();
 	object_mgr_purge_token_objects();
 	detach_shm();
+	// close spin lock file
+	if (spin_created)
+	  close(spinxplfd);
 	if ( token_specific.t_final != NULL) {
 		token_specific.t_final();
 	}
diff --git a/usr/lib/pkcs11/tpm_stdll/new_host.c b/usr/lib/pkcs11/tpm_stdll/new_host.c
index 33694d7b..f65d7083 100644
--- a/usr/lib/pkcs11/tpm_stdll/new_host.c
+++ b/usr/lib/pkcs11/tpm_stdll/new_host.c
@@ -549,6 +549,9 @@ CK_RV SC_Finalize( CK_SLOT_ID sid )
    object_mgr_purge_token_objects();
 
    detach_shm();
+   // close spin lock file
+   if (spin_created)
+     close(spinxplfd);
    if ( token_specific.t_final != NULL) {
       token_specific.t_final();
    }