diff --git a/src/frontend/gui/UINode.h b/src/frontend/gui/UINode.h
index cdbb4c24..c7c2f7a1 100644
--- a/src/frontend/gui/UINode.h
+++ b/src/frontend/gui/UINode.h
@@ -4,6 +4,7 @@
 #include <glm/glm.hpp>
 #include <vector>
 #include <memory>
+#include <string>
 #include <functional>
 
 class GfxContext;