diff --git a/applications/utilities/mesh/conversion/fluent3DMeshToFoam/fluent3DMeshToFoam.L b/applications/utilities/mesh/conversion/fluent3DMeshToFoam/fluent3DMeshToFoam.L
index 6c3a0c315a..5fd94ef38d 100644
--- a/applications/utilities/mesh/conversion/fluent3DMeshToFoam/fluent3DMeshToFoam.L
+++ b/applications/utilities/mesh/conversion/fluent3DMeshToFoam/fluent3DMeshToFoam.L
@@ -321,7 +321,7 @@ endOfSection               {space}")"{space}
         pointGroupEndIndex.append(strtol(endPtr, &endPtr, 16) - 1);
 
         // point group type skipped
-        strtol(endPtr, &endPtr, 16);
+        (void)strtol(endPtr, &endPtr, 16);
 
         pointi = pointGroupStartIndex.last();
 
@@ -435,7 +435,7 @@ endOfSection               {space}")"{space}
         faceGroupEndIndex.append(strtol(endPtr, &endPtr, 16) - 1);
 
         // face group type
-        strtol(endPtr, &endPtr, 16);
+        (void)strtol(endPtr, &endPtr, 16);
 
         faceGroupElementType = strtol(endPtr, &endPtr, 16);
 
@@ -583,7 +583,7 @@ endOfSection               {space}")"{space}
         cellGroupType.append(strtol(endPtr, &endPtr, 16));
 
         // Note. Potentially skip cell set if type is zero.
-        strtol(endPtr, &endPtr, 16);
+        (void)strtol(endPtr, &endPtr, 16);
 
         Info<< "CellGroup: "
             << cellGroupZoneID.last()
diff --git a/applications/utilities/postProcessing/dataConversion/foamToVTK/foamToVTK.C b/applications/utilities/postProcessing/dataConversion/foamToVTK/foamToVTK.C
index ad67095ad9..2b82a234ba 100644
--- a/applications/utilities/postProcessing/dataConversion/foamToVTK/foamToVTK.C
+++ b/applications/utilities/postProcessing/dataConversion/foamToVTK/foamToVTK.C
@@ -1171,7 +1171,11 @@ int main(int argc, char *argv[])
                       + "_"
                       + procFile.name()
                     );
-                    system(cmd.c_str());
+                    if (system(cmd.c_str()) == -1)
+                    {
+                        WarningIn(args.executable())
+                            << "Could not execute command " << cmd << endl;
+                    }
                 }
             }
         }