diff --git a/tutorials/compressible/rhoSimpleFoam/gasMixing/injectorPipe/system/fluxSummary b/tutorials/compressible/rhoSimpleFoam/gasMixing/injectorPipe/system/fluxSummary
index 76a7fd7e08..febf1432c6 100644
--- a/tutorials/compressible/rhoSimpleFoam/gasMixing/injectorPipe/system/fluxSummary
+++ b/tutorials/compressible/rhoSimpleFoam/gasMixing/injectorPipe/system/fluxSummary
@@ -13,11 +13,11 @@ flux
     libs            (fieldFunctionObjects);
     mode            functionObjectSurface;
     surfaces
-    {
+    (
         sampled.plane-0.25
         sampled.plane-0.45
         sampled.plane-0.55
-    }
+    );
 
     // Optional entries
     phi             rhoU;