diff --git a/srsue/hdr/phy/sync.h b/srsue/hdr/phy/sync.h
index 23fb6291b..71d7f7443 100644
--- a/srsue/hdr/phy/sync.h
+++ b/srsue/hdr/phy/sync.h
@@ -297,8 +297,8 @@ private:
   uint32_t out_of_sync_cnt;
   uint32_t in_sync_cnt;
 
-  const static uint32_t NOF_OUT_OF_SYNC_SF = 200;
-  const static uint32_t NOF_IN_SYNC_SF     = 100;
+  const static uint32_t NOF_OUT_OF_SYNC_SF = 20;
+  const static uint32_t NOF_IN_SYNC_SF     = 10;
 
   // State machine for SYNC thread
   class sync_state {
diff --git a/srsue/src/phy/sync.cc b/srsue/src/phy/sync.cc
index a3654701a..d528a2aa9 100644
--- a/srsue/src/phy/sync.cc
+++ b/srsue/src/phy/sync.cc
@@ -393,6 +393,8 @@ void sync::run_thread()
     // If not camping, clear SFN sync
     if (!phy_state.is_camping()) {
       force_camping_sfn_sync = false;
+    } else {
+      out_of_sync();
     }
 
     if (log_phy_lib_h) {
@@ -673,7 +675,7 @@ void sync::in_sync()
 // Out of sync called by worker or sync every 1 or 5 ms
 void sync::out_of_sync()
 {
-  // Send RRC out-of-sync signal after 200 ms consecutive subframes
+  // Send RRC out-of-sync signal after NOF_OUT_OF_SYNC_SF consecutive subframes
   Info("Out-of-sync %d/%d\n", out_of_sync_cnt, NOF_OUT_OF_SYNC_SF);
   out_of_sync_cnt++;
   if (out_of_sync_cnt == NOF_OUT_OF_SYNC_SF) {