diff --git a/src/platform/Linux/BLEManagerImpl.cpp b/src/platform/Linux/BLEManagerImpl.cpp
index c9ae6ae36bf771..2cc5c6a69d19c5 100644
--- a/src/platform/Linux/BLEManagerImpl.cpp
+++ b/src/platform/Linux/BLEManagerImpl.cpp
@@ -796,7 +796,11 @@ void BLEManagerImpl::OnDeviceScanned(BluezDevice1 * device, const chip::Ble::Chi
     }
 
     mBLEScanConfig.mBleScanState = BleScanState::kConnecting;
+
+    chip::DeviceLayer::PlatformMgr().LockChipStack();
     DeviceLayer::SystemLayer().StartTimer(kConnectTimeout, HandleConnectTimeout, mpEndpoint);
+    chip::DeviceLayer::PlatformMgr().UnlockChipStack();
+
     mDeviceScanner->StopScan();
 
     ConnectDevice(device, mpEndpoint);