diff --git a/include/plasp/sas/AssignedVariable.h b/include/plasp/sas/AssignedVariable.h
index 546e58b..1e72fb6 100644
--- a/include/plasp/sas/AssignedVariable.h
+++ b/include/plasp/sas/AssignedVariable.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__ASSIGNED_VARIABLE_H
-#define __SAS__ASSIGNED_VARIABLE_H
+#ifndef __PLASP__SAS__ASSIGNED_VARIABLE_H
+#define __PLASP__SAS__ASSIGNED_VARIABLE_H
 
 #include <iosfwd>
 #include <vector>
diff --git a/include/plasp/sas/AxiomRule.h b/include/plasp/sas/AxiomRule.h
index 7c4cac8..0455527 100644
--- a/include/plasp/sas/AxiomRule.h
+++ b/include/plasp/sas/AxiomRule.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__AXIOM_RULE_H
-#define __SAS__AXIOM_RULE_H
+#ifndef __PLASP__SAS__AXIOM_RULE_H
+#define __PLASP__SAS__AXIOM_RULE_H
 
 #include <vector>
 
diff --git a/include/plasp/sas/Debugging.h b/include/plasp/sas/Debugging.h
index 1b281f9..3f8f778 100644
--- a/include/plasp/sas/Debugging.h
+++ b/include/plasp/sas/Debugging.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__DEBUGGING_H
-#define __SAS__DEBUGGING_H
+#ifndef __PLASP__SAS__DEBUGGING_H
+#define __PLASP__SAS__DEBUGGING_H
 
 #include <iosfwd>
 
diff --git a/include/plasp/sas/Description.h b/include/plasp/sas/Description.h
index 5920c06..f4d64ff 100644
--- a/include/plasp/sas/Description.h
+++ b/include/plasp/sas/Description.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__DESCRIPTION_H
-#define __SAS__DESCRIPTION_H
+#ifndef __PLASP__SAS__DESCRIPTION_H
+#define __PLASP__SAS__DESCRIPTION_H
 
 #include <iosfwd>
 #include <memory>
diff --git a/include/plasp/sas/Effect.h b/include/plasp/sas/Effect.h
index 5792607..20619c7 100644
--- a/include/plasp/sas/Effect.h
+++ b/include/plasp/sas/Effect.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__EFFECT_H
-#define __SAS__EFFECT_H
+#ifndef __PLASP__SAS__EFFECT_H
+#define __PLASP__SAS__EFFECT_H
 
 #include <vector>
 
diff --git a/include/plasp/sas/Goal.h b/include/plasp/sas/Goal.h
index d4b05db..c39f462 100644
--- a/include/plasp/sas/Goal.h
+++ b/include/plasp/sas/Goal.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__GOAL_H
-#define __SAS__GOAL_H
+#ifndef __PLASP__SAS__GOAL_H
+#define __PLASP__SAS__GOAL_H
 
 #include <plasp/sas/AssignedVariable.h>
 
diff --git a/include/plasp/sas/InitialState.h b/include/plasp/sas/InitialState.h
index f1185e1..0149a56 100644
--- a/include/plasp/sas/InitialState.h
+++ b/include/plasp/sas/InitialState.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__INITIAL_STATE_H
-#define __SAS__INITIAL_STATE_H
+#ifndef __PLASP__SAS__INITIAL_STATE_H
+#define __PLASP__SAS__INITIAL_STATE_H
 
 #include <plasp/sas/AssignedVariable.h>
 
diff --git a/include/plasp/sas/MutexGroup.h b/include/plasp/sas/MutexGroup.h
index 66c9083..73cf6d6 100644
--- a/include/plasp/sas/MutexGroup.h
+++ b/include/plasp/sas/MutexGroup.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__MUTEX_GROUP_H
-#define __SAS__MUTEX_GROUP_H
+#ifndef __PLASP__SAS__MUTEX_GROUP_H
+#define __PLASP__SAS__MUTEX_GROUP_H
 
 #include <vector>
 
diff --git a/include/plasp/sas/Operator.h b/include/plasp/sas/Operator.h
index 17c1513..9edeb6b 100644
--- a/include/plasp/sas/Operator.h
+++ b/include/plasp/sas/Operator.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__OPERATOR_H
-#define __SAS__OPERATOR_H
+#ifndef __PLASP__SAS__OPERATOR_H
+#define __PLASP__SAS__OPERATOR_H
 
 #include <string>
 #include <vector>
diff --git a/include/plasp/sas/Predicate.h b/include/plasp/sas/Predicate.h
index b938c0d..1531fbf 100644
--- a/include/plasp/sas/Predicate.h
+++ b/include/plasp/sas/Predicate.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__PREDICATE_H
-#define __SAS__PREDICATE_H
+#ifndef __PLASP__SAS__PREDICATE_H
+#define __PLASP__SAS__PREDICATE_H
 
 #include <iosfwd>
 #include <string>
diff --git a/include/plasp/sas/TranslatorASP.h b/include/plasp/sas/TranslatorASP.h
index e01868c..83242c1 100644
--- a/include/plasp/sas/TranslatorASP.h
+++ b/include/plasp/sas/TranslatorASP.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__TRANSLATOR_ASP_H
-#define __SAS__TRANSLATOR_ASP_H
+#ifndef __PLASP__SAS__TRANSLATOR_ASP_H
+#define __PLASP__SAS__TRANSLATOR_ASP_H
 
 #include <plasp/sas/Description.h>
 
diff --git a/include/plasp/sas/TranslatorException.h b/include/plasp/sas/TranslatorException.h
index 84df69f..cd54fec 100644
--- a/include/plasp/sas/TranslatorException.h
+++ b/include/plasp/sas/TranslatorException.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__TRANSLATOR_EXCEPTION_H
-#define __SAS__TRANSLATOR_EXCEPTION_H
+#ifndef __PLASP__SAS__TRANSLATOR_EXCEPTION_H
+#define __PLASP__SAS__TRANSLATOR_EXCEPTION_H
 
 #include <exception>
 #include <string>
diff --git a/include/plasp/sas/Value.h b/include/plasp/sas/Value.h
index 07d3880..ca0c648 100644
--- a/include/plasp/sas/Value.h
+++ b/include/plasp/sas/Value.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__VALUE_H
-#define __SAS__VALUE_H
+#ifndef __PLASP__SAS__VALUE_H
+#define __PLASP__SAS__VALUE_H
 
 #include <iosfwd>
 #include <string>
diff --git a/include/plasp/sas/Variable.h b/include/plasp/sas/Variable.h
index 2ac8338..ce310a9 100644
--- a/include/plasp/sas/Variable.h
+++ b/include/plasp/sas/Variable.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__VARIABLE_H
-#define __SAS__VARIABLE_H
+#ifndef __PLASP__SAS__VARIABLE_H
+#define __PLASP__SAS__VARIABLE_H
 
 #include <iosfwd>
 #include <string>
diff --git a/include/plasp/sas/VariableTransition.h b/include/plasp/sas/VariableTransition.h
index 7d1db74..aae2a8f 100644
--- a/include/plasp/sas/VariableTransition.h
+++ b/include/plasp/sas/VariableTransition.h
@@ -1,5 +1,5 @@
-#ifndef __SAS__VARIABLE_TRANSITION_H
-#define __SAS__VARIABLE_TRANSITION_H
+#ifndef __PLASP__SAS__VARIABLE_TRANSITION_H
+#define __PLASP__SAS__VARIABLE_TRANSITION_H
 
 #include <iosfwd>
 
diff --git a/include/plasp/utils/ParserException.h b/include/plasp/utils/ParserException.h
index 1b5054d..e5de7d2 100644
--- a/include/plasp/utils/ParserException.h
+++ b/include/plasp/utils/ParserException.h
@@ -1,5 +1,5 @@
-#ifndef __UTILS__PARSER_EXCEPTION_H
-#define __UTILS__PARSER_EXCEPTION_H
+#ifndef __PLASP__UTILS__PARSER_EXCEPTION_H
+#define __PLASP__UTILS__PARSER_EXCEPTION_H
 
 #include <exception>
 #include <string>
diff --git a/include/plasp/utils/Parsing.h b/include/plasp/utils/Parsing.h
index 16a005d..b90536a 100644
--- a/include/plasp/utils/Parsing.h
+++ b/include/plasp/utils/Parsing.h
@@ -1,5 +1,5 @@
-#ifndef __UTILS__PARSING_H
-#define __UTILS__PARSING_H
+#ifndef __PLASP__UTILS__PARSING_H
+#define __PLASP__UTILS__PARSING_H
 
 #include <algorithm>
 #include <exception>