diff --git a/src/helpers/Monitor.cpp b/src/helpers/Monitor.cpp
index 2c0038f4..ad5b0199 100644
--- a/src/helpers/Monitor.cpp
+++ b/src/helpers/Monitor.cpp
@@ -793,9 +793,12 @@ bool CMonitorState::test() {
 bool CMonitorState::updateSwapchain() {
     auto options = m_pOwner->output->swapchain->currentOptions();
     const auto& STATE = m_pOwner->output->state->state();
+    const auto& MODE = STATE.mode ? STATE.mode : STATE.customMode;
+    if (!MODE)
+        return true;
     options.format = STATE.drmFormat;
     options.scanout = true;
     options.length = 2;
-    options.size = STATE.mode ? STATE.mode->pixelSize : STATE.customMode->pixelSize;
+    options.size = MODE->pixelSize;
     return m_pOwner->output->swapchain->reconfigure(options);
 }