diff --git a/src/opm/parser/eclipse/EclipseState/Grid/FieldProps.hpp b/src/opm/parser/eclipse/EclipseState/Grid/FieldProps.hpp
index f4c72a74e..84702f86d 100644
--- a/src/opm/parser/eclipse/EclipseState/Grid/FieldProps.hpp
+++ b/src/opm/parser/eclipse/EclipseState/Grid/FieldProps.hpp
@@ -129,9 +129,8 @@ static const std::unordered_map<std::string, keyword_info<double>> double_keywor
                                                                                       {"PERMR",   keyword_info<double>{}.unit_string("Permeability").distribute_top(true)},
                                                                                       {"PERMTHT",   keyword_info<double>{}.unit_string("Permeability").distribute_top(true)},
                                                                                       {"TEMPI",   keyword_info<double>{}.unit_string("Temperature")},
-                                                                                      {"THCONR",  keyword_info<double>{}},
+                                                                                      {"THCONR",  keyword_info<double>{}.unit_string("Energy/AbsoluteTemperature*Length*Time")},
                                                                                       {"THCONSF", keyword_info<double>{}},
-                                                                                      {"THCONR",  keyword_info<double>{}},
                                                                                       {"THCROCK", keyword_info<double>{}.unit_string("Energy/AbsoluteTemperature*Length*Time")},
                                                                                       {"THCOIL",  keyword_info<double>{}.unit_string("Energy/AbsoluteTemperature*Length*Time")},
                                                                                       {"THCGAS",  keyword_info<double>{}.unit_string("Energy/AbsoluteTemperature*Length*Time")},