diff --git a/applications/test/momentOfInertia/Test-momentOfInertia.C b/applications/test/momentOfInertia/Test-momentOfInertia.C
index 22327f1bdd..82427abcf9 100644
--- a/applications/test/momentOfInertia/Test-momentOfInertia.C
+++ b/applications/test/momentOfInertia/Test-momentOfInertia.C
@@ -198,7 +198,7 @@ int main(int argc, char *argv[])
     {
         const label cellI = args.optionLookupOrDefault("cell", 0);
 
-        tensorField mI = momentOfInertia::meshInertia(mesh);
+        tensorField mI(momentOfInertia::meshInertia(mesh));
 
         tensor& J = mI[cellI];
 
diff --git a/applications/test/pointField/Test-PointField.C b/applications/test/pointField/Test-PointField.C
index 1282c7ee22..3fe316e6af 100644
--- a/applications/test/pointField/Test-PointField.C
+++ b/applications/test/pointField/Test-PointField.C
@@ -60,7 +60,7 @@ int main(int argc, char *argv[])
         pointPatchVectorField::calculatedType()
     );
 
-    pointVectorField V = U + 2*U;
+    pointVectorField V(U + 2*U);
 
     Info<< "End\n" << endl;
 
diff --git a/tutorials/basic/potentialFoam/cylinder/system/controlDict b/tutorials/basic/potentialFoam/cylinder/system/controlDict
index 10797a6065..874de15927 100644
--- a/tutorials/basic/potentialFoam/cylinder/system/controlDict
+++ b/tutorials/basic/potentialFoam/cylinder/system/controlDict
@@ -94,13 +94,15 @@ functions
 
             Info<< "\nEvaluating analytical solution" << endl;
 
-            volVectorField centres = UA.mesh().C();
-            volScalarField magCentres = mag(centres);
-            volScalarField theta = acos((centres & vector(1,0,0))/magCentres);
+            const volVectorField& centres = UA.mesh().C();
+            volScalarField magCentres(mag(centres));
+            volScalarField theta(acos((centres & vector(1,0,0))/magCentres));
 
-            volVectorField cs2theta =
+            volVectorField cs2theta
+            (
                 cos(2*theta)*vector(1,0,0)
-              + sin(2*theta)*vector(0,1,0);
+              + sin(2*theta)*vector(0,1,0)
+            );
 
             UA = uInfX*(dimensionedVector(vector(1,0,0))
               - pow((radius/magCentres),2)*cs2theta);
@@ -109,8 +111,10 @@ functions
             UA.write();
 
             volScalarField error("error", mag(U-UA)/mag(UA));
+
             Info<<"Writing relative error in U to " << error.objectPath()
                 << endl;
+
             error.write();
         #};
     }