diff --git a/src/desktop/LayerSurface.cpp b/src/desktop/LayerSurface.cpp
index f073da82..eb3cdfd2 100644
--- a/src/desktop/LayerSurface.cpp
+++ b/src/desktop/LayerSurface.cpp
@@ -175,8 +175,7 @@ void CLayerSurface::onMap() {
 
     CBox geomFixed = {geometry.x + PMONITOR->vecPosition.x, geometry.y + PMONITOR->vecPosition.y, geometry.width, geometry.height};
     g_pHyprRenderer->damageBox(&geomFixed);
-    const auto WORKSPACE  = PMONITOR->activeWorkspace;
-    const bool FULLSCREEN = WORKSPACE->m_bHasFullscreenWindow && WORKSPACE->m_efFullscreenMode == FSMODE_FULLSCREEN;
+    const bool FULLSCREEN = PMONITOR->activeWorkspace && PMONITOR->activeWorkspace->m_bHasFullscreenWindow && PMONITOR->activeWorkspace->m_efFullscreenMode == FSMODE_FULLSCREEN;
 
     startAnimation(!(layer == ZWLR_LAYER_SHELL_V1_LAYER_TOP && FULLSCREEN && !GRABSFOCUS));
     readyToDelete = false;