diff --git a/test/decoupled/1p/benchmarkresult.hh b/test/decoupled/1p/benchmarkresult.hh
index 681dd7cc18dc7ca4e27d2dde1331b34634b66db6..a007ea06a336e2f54c5d831b1858bd75668031f7 100644
--- a/test/decoupled/1p/benchmarkresult.hh
+++ b/test/decoupled/1p/benchmarkresult.hh
@@ -655,7 +655,7 @@ public:
                 Scalar exactFlux = KGrad*unitOuterNormal;
 
                 // get the approximate normalvelocity
-                Scalar approximateFlux = problem.cellData(eIdx).fluxData().velocityTotal(i)*unitOuterNormal;
+                Scalar approximateFlux = problem.variables().cellData(eIdx).fluxData().velocityTotal(i)*unitOuterNormal;
 
                 // calculate the difference in the normal velocity
                 Scalar fluxDiff = exactFlux + approximateFlux;