diff --git a/include/aidge/backend/StimuliImpl.hpp b/include/aidge/backend/StimuliImpl.hpp
index 925020beb979ba706d6d4c63fed6bdeb3923c542..7c37cd1089e714d707742ae2192b36a1ca94fabb 100644
--- a/include/aidge/backend/StimuliImpl.hpp
+++ b/include/aidge/backend/StimuliImpl.hpp
@@ -9,8 +9,8 @@
  *
  ********************************************************************************/
 
-#ifndef AIDGE_STIMULIIMPL_H_
-#define AIDGE_STIMULIIMPL_H_
+#ifndef AIDGE_CORE_BACKEND_STIMULIIMPL_H_
+#define AIDGE_CORE_BACKEND_STIMULIIMPL_H_
 #include <memory>
 #include "aidge/data/Data.hpp"
 #include "aidge/data/Tensor.hpp"