diff --git a/alib2algo/test-src/grammar/simplify/GrammarLeftRecursionRemoverTest.h b/alib2algo/test-src/grammar/simplify/GrammarLeftRecursionRemoverTest.h
index fcee65ab44eaaf75a2839f60eae5000b7d03ffdf..f51d8a98cfec3ab3eb4686a04fe66ba5ce9014fe 100644
--- a/alib2algo/test-src/grammar/simplify/GrammarLeftRecursionRemoverTest.h
+++ b/alib2algo/test-src/grammar/simplify/GrammarLeftRecursionRemoverTest.h
@@ -1,5 +1,5 @@
-#ifndef GRAMMAR_EPSILON_REMOVER_TEST_H_
-#define GRAMMAR_EPSILON_REMOVER_TEST_H_
+#ifndef GRAMMAR_LEFT_RECURSION_REMOVER_TEST_H_
+#define GRAMMAR_LEFT_RECURSION_REMOVER_TEST_H_
 
 #include <cppunit/extensions/HelperMacros.h>
 
@@ -24,4 +24,4 @@ public:
   void testRemoveEpsilonRules5();
 };
 
-#endif /* GRAMMAR_EPSILON_REMOVER_TEST_H_ */
+#endif /* GRAMMAR_LEFT_RECURSION_REMOVER_TEST_H_ */