1 files changed, 10 insertions, 6 deletions

diff --git a/sys/net/flowtable.c b/sys/net/flowtable.c
index 31c2acc19a9f..3ed0528dd280 100644
--- a/sys/net/flowtable.c
+++ b/sys/net/flowtable.c
@@ -963,15 +963,19 @@ flowtable_clean_vnet(void)
 				if (CPU_ABSENT(i))
 					continue;
 
-				thread_lock(curthread);
-				sched_bind(curthread, i);
-				thread_unlock(curthread);
+				if (smp_started == 1) {
+					thread_lock(curthread);
+					sched_bind(curthread, i);
+					thread_unlock(curthread);
+				}
 
 				flowtable_free_stale(ft, NULL);
 
-				thread_lock(curthread);
-				sched_unbind(curthread);
-				thread_unlock(curthread);
+				if (smp_started == 1) {
+					thread_lock(curthread);
+					sched_unbind(curthread);
+					thread_unlock(curthread);
+				}
 			}
 		} else {
 			flowtable_free_stale(ft, NULL);