diff --git a/alib2common/src/core/components.hpp b/alib2common/src/core/components.hpp
index 27376408dc1c2eb113b0d7ae1161996f4683c5ed..e3bd8fa86a15936e1811069b341d907fad460eba 100644
--- a/alib2common/src/core/components.hpp
+++ b/alib2common/src/core/components.hpp
@@ -5,8 +5,8 @@
  *      Author: Jan Travnicek
  */
 
-#ifndef COMPONENTS2_HPP_
-#define COMPONENTS2_HPP_
+#ifndef COMPONENTS_HPP_
+#define COMPONENTS_HPP_
 
 #include <set>
 #include <algorithm>