diff --git a/applications/solvers/multiphase/interFoam/interMixingFoam/alphaEqns.H b/applications/solvers/multiphase/interFoam/interMixingFoam/alphaEqn.H
similarity index 100%
rename from applications/solvers/multiphase/interFoam/interMixingFoam/alphaEqns.H
rename to applications/solvers/multiphase/interFoam/interMixingFoam/alphaEqn.H
diff --git a/applications/solvers/multiphase/interFoam/interMixingFoam/alphaEqnsSubCycle.H b/applications/solvers/multiphase/interFoam/interMixingFoam/alphaEqnSubCycle.H
similarity index 93%
rename from applications/solvers/multiphase/interFoam/interMixingFoam/alphaEqnsSubCycle.H
rename to applications/solvers/multiphase/interFoam/interMixingFoam/alphaEqnSubCycle.H
index 6025b60069f29e9d22420d9ca7bfab852472ccd9..2f117f2cd4a2309d9c7ad5fa32bb7825e4eb178c 100644
--- a/applications/solvers/multiphase/interFoam/interMixingFoam/alphaEqnsSubCycle.H
+++ b/applications/solvers/multiphase/interFoam/interMixingFoam/alphaEqnSubCycle.H
@@ -19,7 +19,7 @@ if (nAlphaSubCycles > 1)
         !(++alphaSubCycle).end();
     )
     {
-        #include "alphaEqns.H"
+        #include "alphaEqn.H"
         rhoPhiSum += (runTime.deltaT()/totalDeltaT)*rhoPhi;
     }
 
@@ -27,7 +27,7 @@ if (nAlphaSubCycles > 1)
 }
 else
 {
-    #include "alphaEqns.H"
+    #include "alphaEqn.H"
 }
 
 {
diff --git a/applications/solvers/multiphase/interFoam/interMixingFoam/interMixingFoam.C b/applications/solvers/multiphase/interFoam/interMixingFoam/interMixingFoam.C
index b26630d3609096ad0cd1a294d8e1177661ed4ed0..52dc9a15000ac254ea8447da1a8a378bba195204 100644
--- a/applications/solvers/multiphase/interFoam/interMixingFoam/interMixingFoam.C
+++ b/applications/solvers/multiphase/interFoam/interMixingFoam/interMixingFoam.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -93,7 +93,7 @@ int main(int argc, char *argv[])
         while (pimple.loop())
         {
             #include "alphaControls.H"
-            #include "alphaEqnsSubCycle.H"
+            #include "alphaEqnSubCycle.H"
 
             mixture.correct();