diff --git a/src/regionModels/surfaceFilmModels/kinematicSingleLayer/kinematicSingleLayer.C b/src/regionModels/surfaceFilmModels/kinematicSingleLayer/kinematicSingleLayer.C
index 87d56add7f..941da7e848 100644
--- a/src/regionModels/surfaceFilmModels/kinematicSingleLayer/kinematicSingleLayer.C
+++ b/src/regionModels/surfaceFilmModels/kinematicSingleLayer/kinematicSingleLayer.C
@@ -869,7 +869,7 @@ void kinematicSingleLayer::evolveRegion()
     // Implicit pressure source coefficient - constant
     tmp<volScalarField> tpp(this->pp());
 
-    for (int oCorr=0; oCorr<nOuterCorr_; oCorr++)
+    for (int oCorr=1; oCorr<=nOuterCorr_; oCorr++)
     {
         // Explicit pressure source contribution - varies with delta_
         tmp<volScalarField> tpu(this->pu());
diff --git a/src/regionModels/surfaceFilmModels/thermoSingleLayer/thermoSingleLayer.C b/src/regionModels/surfaceFilmModels/thermoSingleLayer/thermoSingleLayer.C
index 417274da8e..21953ae94c 100644
--- a/src/regionModels/surfaceFilmModels/thermoSingleLayer/thermoSingleLayer.C
+++ b/src/regionModels/surfaceFilmModels/thermoSingleLayer/thermoSingleLayer.C
@@ -642,7 +642,7 @@ void thermoSingleLayer::evolveRegion()
     // Solve continuity for deltaRho_
     solveContinuity();
 
-    for (int oCorr=0; oCorr<nOuterCorr_; oCorr++)
+    for (int oCorr=1; oCorr<=nOuterCorr_; oCorr++)
     {
         // Explicit pressure source contribution
         tmp<volScalarField> tpu(this->pu());