diff --git a/src/opm/parser/eclipse/EclipseState/Grid/NNC.cpp b/src/opm/parser/eclipse/EclipseState/Grid/NNC.cpp
index f92ede12e..3cffd54be 100644
--- a/src/opm/parser/eclipse/EclipseState/Grid/NNC.cpp
+++ b/src/opm/parser/eclipse/EclipseState/Grid/NNC.cpp
@@ -117,6 +117,10 @@ bool is_neighbor(const EclipseGrid& grid, std::size_t g1, std::size_t g2) {
         std::vector<NNCdata> nnc_edit;
         for (const auto& keyword_ptr : deck.getKeywordList<ParserKeywords::EDITNNC>()) {
             for (const auto& record : *keyword_ptr) {
+                double tran_mult = record.getItem(6).get<double>(0);
+                if (tran_mult == 1.0)
+                    continue;
+
                 auto index_pair = make_index_pair(grid, record);
                 if (!index_pair)
                     continue;
@@ -125,7 +129,6 @@ bool is_neighbor(const EclipseGrid& grid, std::size_t g1, std::size_t g2) {
                 if (is_neighbor(grid, g1, g2))
                     continue;
 
-                double tran_mult = record.getItem(6).get<double>(0);
                 nnc_edit.emplace_back( g1, g2, tran_mult);
             }
 
diff --git a/tests/parser/integration/NNCTests.cpp b/tests/parser/integration/NNCTests.cpp
index a93c76729..81c5ee7dd 100644
--- a/tests/parser/integration/NNCTests.cpp
+++ b/tests/parser/integration/NNCTests.cpp
@@ -112,7 +112,7 @@ EDIT
 EDITNNC
 5 1 1 1 5 3 0.5 /   -- Inactive cell
 2 2 1 3 3 1 0.5 /   -- Valid - coupled to NNC
-4 4 1 5 5 1 1.0 /   -- Valid
+4 4 1 5 5 1 2.0 /   -- Valid
 -1 4 4 -1 7 7 1.0 / -- Very invalid
 /
 
@@ -352,7 +352,7 @@ BOOST_AUTO_TEST_CASE(ACTNUM)
     BOOST_CHECK_EQUAL(edit.size(), 1);
     BOOST_CHECK_EQUAL(input.size(), 1);
     check_nnc(input, grid.getGlobalIndex(1,1,0), grid.getGlobalIndex(2,2,0), 0.5);
-    check_edit_nnc(edit, grid.getGlobalIndex(3,3,0), grid.getGlobalIndex(4,4,0), 1.0);
+    check_edit_nnc(edit, grid.getGlobalIndex(3,3,0), grid.getGlobalIndex(4,4,0), 2.0);
     check_order(editnnc);
 }