diff --git a/src/libcamera/v4l2_videodevice.cpp b/src/libcamera/v4l2_videodevice.cpp
index 634ac4a5..87976fb2 100644
--- a/src/libcamera/v4l2_videodevice.cpp
+++ b/src/libcamera/v4l2_videodevice.cpp
@@ -39,6 +39,8 @@
 
 namespace libcamera {
 
+using namespace std::literals::chrono_literals;
+
 LOG_DECLARE_CATEGORY(V4L2)
 
 /**
@@ -520,7 +522,8 @@ const std::string V4L2DeviceFormat::toString() const
  */
 V4L2VideoDevice::V4L2VideoDevice(const std::string &deviceNode)
 	: V4L2Device(deviceNode), formatInfo_(nullptr), cache_(nullptr),
-	  fdBufferNotifier_(nullptr), state_(State::Stopped)
+	  fdBufferNotifier_(nullptr), state_(State::Stopped),
+	  watchdogDuration_(0.0)
 {
 	/*
 	 * We default to an MMAP based CAPTURE video device, however this will