diff --git a/applications/solvers/multiphase/interFoam/alphaEqn.H b/applications/solvers/multiphase/interFoam/alphaEqn.H
index 0788974596..4f44b732b5 100644
--- a/applications/solvers/multiphase/interFoam/alphaEqn.H
+++ b/applications/solvers/multiphase/interFoam/alphaEqn.H
@@ -179,7 +179,7 @@
             #ifdef LTSSOLVE
             MULES::explicitLTSSolve(alpha1, phi, phiAlpha, 1, 0);
             #else
-            MULES::explicitSolve(alpha1, phi, phiAlpha, 1, 0);
+            MULES::explicitSolve(alpha1, phiCN, phiAlpha, 1, 0);
             #endif
         }