diff --git a/modules/video_capture/linux/device_info_pipewire.cc b/modules/video_capture/linux/device_info_pipewire.cc
index 1dee78f5ee..4782cee56a 100644
--- a/modules/video_capture/linux/device_info_pipewire.cc
+++ b/modules/video_capture/linux/device_info_pipewire.cc
@@ -38,6 +38,8 @@ int32_t DeviceInfoPipeWire::Init() {
 DeviceInfoPipeWire::~DeviceInfoPipeWire() = default;
 
 uint32_t DeviceInfoPipeWire::NumberOfDevices() {
+  RTC_CHECK(pipewire_session_);
+
   return pipewire_session_->nodes().size();
 }
 
@@ -48,6 +50,8 @@ int32_t DeviceInfoPipeWire::GetDeviceName(uint32_t deviceNumber,
                                           uint32_t deviceUniqueIdUTF8Length,
                                           char* productUniqueIdUTF8,
                                           uint32_t productUniqueIdUTF8Length) {
+  RTC_CHECK(pipewire_session_);
+
   if (deviceNumber >= NumberOfDevices())
     return -1;
 
@@ -83,6 +87,8 @@ int32_t DeviceInfoPipeWire::GetDeviceName(uint32_t deviceNumber,
 
 int32_t DeviceInfoPipeWire::CreateCapabilityMap(
     const char* deviceUniqueIdUTF8) {
+  RTC_CHECK(pipewire_session_);
+
   for (auto& node : pipewire_session_->nodes()) {
     if (node.unique_id().compare(deviceUniqueIdUTF8) != 0)
       continue;