diff --git a/alib2str/src/alphabet/string/RankedSymbol.h b/alib2str/src/alphabet/string/RankedSymbol.h
index 136503dfe352549daf0ef6d4e5367468d2be39e8..8592e29db1966ae89756ca34ea8fe9d1d1237175 100644
--- a/alib2str/src/alphabet/string/RankedSymbol.h
+++ b/alib2str/src/alphabet/string/RankedSymbol.h
@@ -5,8 +5,8 @@
  * Author: Jan Travnicek
  */
 
-#ifndef _STRING_NONLINEAR_VARIABLE_SYMBOL_H_
-#define _STRING_NONLINEAR_VARIABLE_SYMBOL_H_
+#ifndef _STRING_RANKED_SYMBOL_H_
+#define _STRING_RANKED_SYMBOL_H_
 
 #include <alphabet/RankedSymbol.h>
 #include <core/stringApi.hpp>
@@ -61,4 +61,4 @@ void stringApi < alphabet::RankedSymbol < SymbolType, RankType > >::compose ( st
 
 } /* namespace core */
 
-#endif /* _STRING_NONLINEAR_VARIABLE_SYMBOL_H_ */
+#endif /* _STRING_RANKED_SYMBOL_H_ */
diff --git a/alib2str/src/alphabet/string/WildcardSymbol.h b/alib2str/src/alphabet/string/WildcardSymbol.h
index e7d95c2776edd93a7b5e1018a22c875470b3f20f..8875df8e23f9f74e691e72cd861c5b913e2a4684 100644
--- a/alib2str/src/alphabet/string/WildcardSymbol.h
+++ b/alib2str/src/alphabet/string/WildcardSymbol.h
@@ -5,8 +5,8 @@
  * Author: Jan Travnicek
  */
 
-#ifndef _STRING_SUBTREE_WILDCARD_SYMBOL_H_
-#define _STRING_SUBTREE_WILDCARD_SYMBOL_H_
+#ifndef _STRING_WILDCARD_SYMBOL_H_
+#define _STRING_WILDCARD_SYMBOL_H_
 
 #include <alphabet/WildcardSymbol.h>
 #include <core/stringApi.hpp>
@@ -22,4 +22,4 @@ struct stringApi < alphabet::WildcardSymbol > {
 
 } /* namespace core */
 
-#endif /* _STRING_SUBTREE_WILDCARD_SYMBOL_H_ */
+#endif /* _STRING_WILDCARD_SYMBOL_H_ */