diff --git a/applications/utilities/mesh/manipulation/setSet/setSet.C b/applications/utilities/mesh/manipulation/setSet/setSet.C
index 5141980c3d..fe8df71306 100644
--- a/applications/utilities/mesh/manipulation/setSet/setSet.C
+++ b/applications/utilities/mesh/manipulation/setSet/setSet.C
@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
-     \\/     M anipulation  | Copyright (C) 2017 OpenCFD Ltd.
+     \\/     M anipulation  | Copyright (C) 2017-2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -282,7 +282,10 @@ void removeZone
         // Remove last element
         zones.setSize(zones.size()-1);
         zones.clearAddressing();
-        zones.write();
+        if (!zones.write())
+        {
+            WarningInFunction << "Failed writing zone " << setName << endl;
+        }
     }
 }
 
@@ -535,7 +538,12 @@ bool doCommand
                 {
                     currentSet.instance() = mesh.time().timeName();
                 }
-                currentSet.write();
+                if (!currentSet.write())
+                {
+                    WarningInFunction
+                        << "Failed writing set "
+                        << currentSet.objectPath() << endl;
+                }
             }
         }
     }
diff --git a/applications/utilities/mesh/manipulation/topoSet/topoSet.C b/applications/utilities/mesh/manipulation/topoSet/topoSet.C
index a0ad8a715f..0ceb92b3ef 100644
--- a/applications/utilities/mesh/manipulation/topoSet/topoSet.C
+++ b/applications/utilities/mesh/manipulation/topoSet/topoSet.C
@@ -87,7 +87,10 @@ void removeZone
         // Remove last element
         zones.setSize(zones.size()-1);
         zones.clearAddressing();
-        zones.write();
+        if (!zones.write())
+        {
+            WarningInFunction << "Failed writing zone " << setName << endl;
+        }
     }
 }
 
@@ -298,7 +301,12 @@ int main(int argc, char *argv[])
                     source().applyToSet(action, currentSet());
                     // Synchronize for coupled patches.
                     if (!noSync) currentSet().sync(mesh);
-                    currentSet().write();
+                    if (!currentSet().write())
+                    {
+                        WarningInFunction
+                            << "Failed writing set "
+                            << currentSet().objectPath() << endl;
+                    }
                 }
                 break;
 
@@ -333,20 +341,35 @@ int main(int argc, char *argv[])
                     currentSet().subset(oldSet());
                     // Synchronize for coupled patches.
                     if (!noSync) currentSet().sync(mesh);
-                    currentSet().write();
+                    if (!currentSet().write())
+                    {
+                        WarningInFunction
+                            << "Failed writing set "
+                            << currentSet().objectPath() << endl;
+                    }
                 }
                 break;
 
                 case topoSetSource::CLEAR:
                     Info<< "    Clearing " << currentSet().type() << endl;
                     currentSet().clear();
-                    currentSet().write();
+                    if (!currentSet().write())
+                    {
+                        WarningInFunction
+                            << "Failed writing set "
+                            << currentSet().objectPath() << endl;
+                    }
                 break;
 
                 case topoSetSource::INVERT:
                     Info<< "    Inverting " << currentSet().type() << endl;
                     currentSet().invert(currentSet().maxSize(mesh));
-                    currentSet().write();
+                    if (!currentSet().write())
+                    {
+                        WarningInFunction
+                            << "Failed writing set "
+                            << currentSet().objectPath() << endl;
+                    }
                 break;
 
                 case topoSetSource::REMOVE: