diff --git a/src/helpers/WLClasses.hpp b/src/helpers/WLClasses.hpp
index c740fd91..d104f2ad 100644
--- a/src/helpers/WLClasses.hpp
+++ b/src/helpers/WLClasses.hpp
@@ -143,7 +143,7 @@ struct SConstraint {
     }
 };
 
-struct CMonitor;
+class CMonitor;
 
 struct SXDGPopup {
     CWindow*        parentWindow = nullptr;
diff --git a/src/render/decorations/IHyprWindowDecoration.hpp b/src/render/decorations/IHyprWindowDecoration.hpp
index e6f65f7e..6c4a9b50 100644
--- a/src/render/decorations/IHyprWindowDecoration.hpp
+++ b/src/render/decorations/IHyprWindowDecoration.hpp
@@ -14,7 +14,7 @@ struct SWindowDecorationExtents {
 };
 
 class CWindow;
-struct CMonitor;
+class CMonitor;
 
 interface IHyprWindowDecoration {
 public: