diff --git a/src/modules/module-hal-detect.c b/src/modules/module-hal-detect.c
index b2f97a107..bfabd91a7 100644
--- a/src/modules/module-hal-detect.c
+++ b/src/modules/module-hal-detect.c
@@ -789,7 +789,9 @@ int pa__init(pa_module*m) {
     u->connection = conn;
     u->devices = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
     u->capability = api;
+#ifdef HAVE_ALSA
     u->use_tsched = use_tsched;
+#endif
     m->userdata = u;
 
 #ifdef HAVE_ALSA