diff --git a/src/opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQConfig.cpp b/src/opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQConfig.cpp
index bdca0d08e..4d907420e 100644
--- a/src/opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQConfig.cpp
+++ b/src/opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQConfig.cpp
@@ -154,20 +154,26 @@ namespace Opm {
     std::vector<UDQDefine> UDQConfig::definitions() const {
         std::vector<UDQDefine> ret;
 
-        for (const auto& key : this->define_order) {
-            if (this->action_type(key) == UDQAction::DEFINE)
-                ret.push_back(this->m_definitions.at(key));
+        for (const auto& index_pair : this->input_index) {
+            if (index_pair.second.action == UDQAction::DEFINE) {
+                const std::string& key = index_pair.first;
+                ret.push_back( this->m_definitions.at(key) );
+            }
         }
+
         return ret;
     }
 
 
     std::vector<UDQDefine> UDQConfig::definitions(UDQVarType var_type) const {
         std::vector<UDQDefine> filtered_defines;
-        for (const auto& key : this->define_order) {
-            const auto& udq_define = this->m_definitions.at(key);
-            if (udq_define.var_type() == var_type && this->action_type(key) == UDQAction::DEFINE)
-                filtered_defines.push_back(udq_define);
+        for (const auto& index_pair : this->input_index) {
+            if (index_pair.second.action == UDQAction::DEFINE) {
+                const std::string& key = index_pair.first;
+                const auto& udq_define = this->m_definitions.at(key);
+                if (udq_define.var_type() == var_type)
+                    filtered_defines.push_back(udq_define);
+            }
         }
         return filtered_defines;
     }
diff --git a/tests/parser/UDQTests.cpp b/tests/parser/UDQTests.cpp
index 1a468977f..47243761d 100644
--- a/tests/parser/UDQTests.cpp
+++ b/tests/parser/UDQTests.cpp
@@ -1816,8 +1816,8 @@ BOOST_AUTO_TEST_CASE(UDQ_DEFINE_ORDER) {
 SCHEDULE
 UDQ
 ASSIGN FU_PAR1 1.0 /
-ASSIGN FU_PAR2 0.0 /
 DEFINE FU_PAR3 FMWPR /
+ASSIGN FU_PAR2 0.0 /
 DEFINE FU_PAR2 FU_PAR3 /
 /
 )";