diff --git a/src/postProcessing/functionObjects/forces/forces/forces.C b/src/postProcessing/functionObjects/forces/forces/forces.C
index 4a10dc2f8c..4f272cdb35 100644
--- a/src/postProcessing/functionObjects/forces/forces/forces.C
+++ b/src/postProcessing/functionObjects/forces/forces/forces.C
@@ -471,7 +471,7 @@ void Foam::forces::read(const dictionary& dict)
         // specified directly, from coordinate system, or implicitly (0 0 0)
         if (!dict.readIfPresent<point>("CofR", coordSys_.origin()))
         {
-            coordSys_ = coordinateSystem(dict, obr_);
+            coordSys_ = coordinateSystem(obr_, dict);
             localSystem_ = true;
         }