diff --git a/src/events/Layers.cpp b/src/events/Layers.cpp
index a1aa7764..01cc25cc 100644
--- a/src/events/Layers.cpp
+++ b/src/events/Layers.cpp
@@ -26,7 +26,7 @@ void Events::listener_newLayerSurface(wl_listener* listener, void* data) {
             return;
         }
 
-        Debug::log(LOG, "New LayerSurface has no preferred monitor. Assigning Monitor %s", PMONITOR->szName);
+        Debug::log(LOG, "New LayerSurface has no preferred monitor. Assigning Monitor %s", PMONITOR->szName.c_str());
 
         WLRLAYERSURFACE->output = PMONITOR->output;
     }