diff --git a/src/c/threads/queue.d b/src/c/threads/queue.d
index c4471f72c..9239f09e9 100644
--- a/src/c/threads/queue.d
+++ b/src/c/threads/queue.d
@@ -23,6 +23,14 @@
 
 #define print_lock(a,b,...) (void)0
 
+#ifndef HAVE_SCHED_H
+static int
+sched_yield()
+{
+	ecl_musleep(0.0, 1);
+}
+#endif
+
 void ECL_INLINE
 ecl_get_spinlock(cl_env_ptr the_env, cl_object *lock)
 {
@@ -33,14 +41,6 @@ ecl_get_spinlock(cl_env_ptr the_env, cl_object *lock)
 	}
 }
 
-#ifndef HAVE_SCHED_H
-int
-sched_yield()
-{
-	ecl_musleep(0.0, 1);
-}
-#endif
-
 void ECL_INLINE
 ecl_giveup_spinlock(cl_object *lock)
 {