diff --git a/opm/core/utility/initState_impl.hpp b/opm/core/utility/initState_impl.hpp
index c139bf0e0..575e18a41 100644
--- a/opm/core/utility/initState_impl.hpp
+++ b/opm/core/utility/initState_impl.hpp
@@ -515,7 +515,7 @@ namespace Opm
         const int num_phases = props.numPhases();
         const PhaseUsage pu = phaseUsageFromDeck(deck);
         if (num_phases != pu.num_phases) {
-            THROW("initStateFromDeck():  Uuser specified property object with " << num_phases << " phases, "
+            THROW("initStateFromDeck():  user specified property object with " << num_phases << " phases, "
                   "found " << pu.num_phases << " phases in deck.");
         }
         state.init(grid, num_phases);