diff --git a/src/transportModels/geometricVoF/reconstructionSchemes/plicSchemes/plicRDF/plicRDF.C b/src/transportModels/geometricVoF/reconstructionSchemes/plicSchemes/plicRDF/plicRDF.C
index 889e32abf1..03ab5d4285 100644
--- a/src/transportModels/geometricVoF/reconstructionSchemes/plicSchemes/plicRDF/plicRDF.C
+++ b/src/transportModels/geometricVoF/reconstructionSchemes/plicSchemes/plicRDF/plicRDF.C
@@ -251,6 +251,9 @@ void Foam::reconstruction::plicRDF::calcResidual
         const label celli = interfaceLabels_[i];
         if (mag(normal_[celli]) == 0 || mag(interfaceNormal_[i]) == 0)
         {
+            normalResidual[i].celli = celli;
+            normalResidual[i].normalResidual = 0;
+            normalResidual[i].avgAngle = 0;
             continue;
         }
 
diff --git a/src/transportModels/geometricVoF/reconstructionSchemes/plicSchemes/plicRDF/plicRDF.H b/src/transportModels/geometricVoF/reconstructionSchemes/plicSchemes/plicRDF/plicRDF.H
index 6432b6632d..cbdb19d8cf 100644
--- a/src/transportModels/geometricVoF/reconstructionSchemes/plicSchemes/plicRDF/plicRDF.H
+++ b/src/transportModels/geometricVoF/reconstructionSchemes/plicSchemes/plicRDF/plicRDF.H
@@ -81,9 +81,9 @@ class plicRDF
         //-  residuals storage
         struct normalRes
         {
-            label celli;
-            scalar normalResidual;
-            scalar avgAngle;
+            label celli = {};
+            scalar normalResidual = {};
+            scalar avgAngle = {};
         };
 
         //- Reference to mesh