diff --git a/dumux/porousmediumflow/2p2c/implicit/model.hh b/dumux/porousmediumflow/2p2c/implicit/model.hh
index 02c151390e78d097d2882f7ff8061bdd4d39a981..2d250d4a79437b6ba3a93b9a9aa7a8dd587b8c57 100644
--- a/dumux/porousmediumflow/2p2c/implicit/model.hh
+++ b/dumux/porousmediumflow/2p2c/implicit/model.hh
@@ -172,10 +172,10 @@ public:
                     auto dofIdxGlobal = scv.dofIndex();
                     if (priVarSwitch_().wasSwitched(dofIdxGlobal))
                     {
-                        this->nonConstCurGlobalVolVars().volVars(dofIdxGlobal).update(this->curSol()[dofIdxGlobal],
-                                                                                      this->problem_(),
-                                                                                      element,
-                                                                                      scv);
+                        this->nonConstCurGlobalVolVars().volVars(scv.index()).update(this->curSol()[dofIdxGlobal],
+                                                                                     this->problem_(),
+                                                                                     element,
+                                                                                     scv);
                     }
                 }
             }
diff --git a/dumux/porousmediumflow/2pnc/implicit/model.hh b/dumux/porousmediumflow/2pnc/implicit/model.hh
index c80b7e296f99f0358ba8a539189c8522f7bf00ee..ebf3b27d2e76ba0d342fb1fe2bcd23a4f6f96287 100644
--- a/dumux/porousmediumflow/2pnc/implicit/model.hh
+++ b/dumux/porousmediumflow/2pnc/implicit/model.hh
@@ -184,10 +184,10 @@ public:
                     auto dofIdxGlobal = scv.dofIndex();
                     if (priVarSwitch_().wasSwitched(dofIdxGlobal))
                     {
-                        this->nonConstantCurGlobalVolVars()[dofIdxGlobal].update(this->curSol()[dofIdxGlobal],
-                                                                                 this->problem_(),
-                                                                                 element,
-                                                                                 scv);
+                        this->nonConstCurGlobalVolVars().volVars(scv.index()).update(this->curSol()[dofIdxGlobal],
+                                                                                     this->problem_(),
+                                                                                     element,
+                                                                                     scv);
                     }
                 }
 
diff --git a/dumux/porousmediumflow/2pncmin/implicit/model.hh b/dumux/porousmediumflow/2pncmin/implicit/model.hh
index 650a5f10fcda9d242a0f023e14038fff8925bf3c..3906509054f035bfc06a1c96397836757bc21b78 100644
--- a/dumux/porousmediumflow/2pncmin/implicit/model.hh
+++ b/dumux/porousmediumflow/2pncmin/implicit/model.hh
@@ -179,10 +179,10 @@ public:
                     auto dofIdxGlobal = scv.dofIndex();
                     if (priVarSwitch_().wasSwitched(dofIdxGlobal))
                     {
-                        this->nonConstCurGlobalVolVars().volVars(dofIdxGlobal).update(this->curSol()[dofIdxGlobal],
-                                                                                      this->problem_(),
-                                                                                      element,
-                                                                                      scv);
+                        this->nonConstCurGlobalVolVars().volVars(scv.index()).update(this->curSol()[dofIdxGlobal],
+                                                                                     this->problem_(),
+                                                                                     element,
+                                                                                     scv);
                     }
                 }
             }
diff --git a/dumux/porousmediumflow/3p3c/implicit/model.hh b/dumux/porousmediumflow/3p3c/implicit/model.hh
index c247ac21bd3ce81a6c3923d6848a0ecffe5a06c1..42a9e3a9e720bcd653865edf055ad8d36a569cba 100644
--- a/dumux/porousmediumflow/3p3c/implicit/model.hh
+++ b/dumux/porousmediumflow/3p3c/implicit/model.hh
@@ -169,10 +169,11 @@ public:
                     auto dofIdxGlobal = scv.dofIndex();
                     if (priVarSwitch_().wasSwitched(dofIdxGlobal))
                     {
-                        this->nonConstantCurGlobalVolVars()[dofIdxGlobal].update(this->curSol()[dofIdxGlobal],
-                                                                                 this->problem_(),
-                                                                                 element,
-                                                                                 scv);
+
+                        this->nonConstCurGlobalVolVars().volVars(scv.index()).update(this->curSol()[dofIdxGlobal],
+                                                                                     this->problem_(),
+                                                                                     element,
+                                                                                     scv);
                     }
                 }