diff --git a/applications/solvers/heatTransfer/chtMultiRegionFoam/solid/solidRegionDiffusionNo.H b/applications/solvers/heatTransfer/chtMultiRegionFoam/solid/solidRegionDiffusionNo.H
index 752d4e938133eada11cd80dba576911b1dd804f0..20ca225676f734a10382746e9533badfd6b12d78 100644
--- a/applications/solvers/heatTransfer/chtMultiRegionFoam/solid/solidRegionDiffusionNo.H
+++ b/applications/solvers/heatTransfer/chtMultiRegionFoam/solid/solidRegionDiffusionNo.H
@@ -1,5 +1,5 @@
     scalar DiNum = -GREAT;
-    if (solidRegions.size())//
+    if (solidRegions.size())
     {
         forAll(solidRegions, regionI)
         {