diff --git a/opm/autodiff/BlackoilModelBase_impl.hpp b/opm/autodiff/BlackoilModelBase_impl.hpp
index 2c26ab9dd..fbeda4f92 100644
--- a/opm/autodiff/BlackoilModelBase_impl.hpp
+++ b/opm/autodiff/BlackoilModelBase_impl.hpp
@@ -2347,15 +2347,13 @@ namespace detail {
             fip[4] = state.rv.value() * fip[pg];
         }
 
-        const int dims = *std::max_element(fipnum.begin(), fipnum.end()) + 1;
+        const int dims = 1;
         std::vector<V> values(dims, V::Zero(5));
 
         for (int d = 0; d < dims; ++d) {
             for (int c = 0; c < nc; ++c) {
-                if (fipnum[c] == d) {
-                    for (int i = 0; i < 5; ++i) {
-                        values[d][i] += fip[i][c];
-                    }
+                for (int i = 0; i < 5; ++i) {
+                    values[d][i] += fip[i][c];
                 }
             }
         }