diff --git a/src/Plugin.h b/src/Plugin.h
index 0795604..f0c63a5 100644
--- a/src/Plugin.h
+++ b/src/Plugin.h
@@ -2,7 +2,7 @@
 #define _INCLUDE_METAMOD_SOURCE_STUB_PLUGIN_H_
 
 #include <igameevents.h>
-#include <ISmmPlugin.h>
+#include <ISmmplugin.h>
 #include "entitysystem.h"
 
 namespace RayTracePlugin
diff --git a/src/RayTrace.h b/src/RayTrace.h
index 150e923..e71538d 100644
--- a/src/RayTrace.h
+++ b/src/RayTrace.h
@@ -6,7 +6,7 @@
 #include <optional>
 #include "vector.h"
 #include "schema/CBaseEntity.h"
-#include "CRayTraceInterface.h"
+#include "craytraceinterface.h"
 
 namespace RayTracePlugin::RayTrace
 {