diff --git a/opm/models/blackoil/blackoilpolymermodules.hh b/opm/models/blackoil/blackoilpolymermodules.hh
index 7d13b2fdf..159010061 100644
--- a/opm/models/blackoil/blackoilpolymermodules.hh
+++ b/opm/models/blackoil/blackoilpolymermodules.hh
@@ -219,7 +219,7 @@ public:
         if (!plymaxTables.empty()) {
             for (unsigned mixRegionIdx = 0; mixRegionIdx < numMixRegions; ++ mixRegionIdx) {
                 const auto& plymaxTable = plymaxTables.template getTable<Opm::PlymaxTable>(mixRegionIdx);
-                setPlymax(mixRegionIdx, plymaxTable.getPolymerConcentrationColumn()[mixRegionIdx]);
+                setPlymax(mixRegionIdx, plymaxTable.getPolymerConcentrationColumn()[0]);
             }
         }
         else {