diff --git a/src/libs/core/include/core/IJob.hpp b/src/libs/core/include/core/IJob.hpp
index eba2ea44..4cf73268 100644
--- a/src/libs/core/include/core/IJob.hpp
+++ b/src/libs/core/include/core/IJob.hpp
@@ -17,6 +17,8 @@
  * along with LMS.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
+
 #include "core/LiteralString.hpp"
 
 namespace lms::core
diff --git a/src/libs/core/include/core/IJobScheduler.hpp b/src/libs/core/include/core/IJobScheduler.hpp
index f8eed21e..40644c17 100644
--- a/src/libs/core/include/core/IJobScheduler.hpp
+++ b/src/libs/core/include/core/IJobScheduler.hpp
@@ -17,6 +17,8 @@
  * along with LMS.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
+
 #include <functional>
 #include <memory>
 #include <vector>