diff --git a/src/phaseSystemModels/reactingEuler/multiphaseSystem/interfacialCompositionModels/saturationModels/function1/function1.H b/src/phaseSystemModels/reactingEuler/multiphaseSystem/interfacialCompositionModels/saturationModels/function1/function1.H
index 9827f80c245c193dedce0618d2526b86cc245050..a266f4714f4966ad19b5af82a69270f0f33fb537 100644
--- a/src/phaseSystemModels/reactingEuler/multiphaseSystem/interfacialCompositionModels/saturationModels/function1/function1.H
+++ b/src/phaseSystemModels/reactingEuler/multiphaseSystem/interfacialCompositionModels/saturationModels/function1/function1.H
@@ -74,8 +74,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef function1_H
-#define function1_H
+#ifndef saturationModels_function1_H
+#define saturationModels_function1_H
 
 #include "saturationModel.H"
 #include "Function1.H"
diff --git a/src/phaseSystemModels/reactingEuler/multiphaseSystem/interfacialCompositionModels/saturationModels/polynomial/polynomial.H b/src/phaseSystemModels/reactingEuler/multiphaseSystem/interfacialCompositionModels/saturationModels/polynomial/polynomial.H
index 420e8103560afd6b5f09f28d67a3f490c66ed52f..f280c162ccfa23cda6d2c0ff39dc3334e8d91a97 100644
--- a/src/phaseSystemModels/reactingEuler/multiphaseSystem/interfacialCompositionModels/saturationModels/polynomial/polynomial.H
+++ b/src/phaseSystemModels/reactingEuler/multiphaseSystem/interfacialCompositionModels/saturationModels/polynomial/polynomial.H
@@ -44,8 +44,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef polynomial_H
-#define polynomial_H
+#ifndef saturationModels_polynomial_H
+#define saturationModels_polynomial_H
 
 #include "saturationModel.H"
 #include "Polynomial.H"