diff --git a/dumux/decoupled/2p/diffusion/fvmpfa/fvmpfaovelocity2p.hh b/dumux/decoupled/2p/diffusion/fvmpfa/fvmpfaovelocity2p.hh
index 00b51875a44bf811bfbc2505bbf19e81721b2518..2f865d8cfc7b8e2557de1a02a69398dfff91ee23 100644
--- a/dumux/decoupled/2p/diffusion/fvmpfa/fvmpfaovelocity2p.hh
+++ b/dumux/decoupled/2p/diffusion/fvmpfa/fvmpfaovelocity2p.hh
@@ -91,7 +91,8 @@ template<class TypeTag> class FVMPFAOVelocity2P:public FVMPFAOPressure2P<TypeTag
         Sn = Indices::saturationNW,
         vw = Indices::velocityW,
         vn = Indices::velocityNW,
-        vt = Indices::velocityTotal
+        vt = Indices::velocityTotal,
+        pGlobal = Indices::pressureGlobal
     };
     enum
     {