diff --git a/test_util/EclRegressionTest.cpp b/test_util/EclRegressionTest.cpp
index 750e33323cf..a17c70098d5 100644
--- a/test_util/EclRegressionTest.cpp
+++ b/test_util/EclRegressionTest.cpp
@@ -263,7 +263,7 @@ void ECLRegressionTest::printDeviationReport()
 
 void ECLRegressionTest::compareKeywords(const std::vector<std::string> &keywords1, const std::vector<std::string> &keywords2, const std::string &reference) {
 
-    if (!acceptExtraKeywords) {
+    if (!(acceptExtraKeywords or acceptExtraKeywordsBoth)) {
         if (keywords1 != keywords2) {
             std::cout << "not same keywords in " << reference << std::endl;
 
diff --git a/test_util/EclRegressionTest.hpp b/test_util/EclRegressionTest.hpp
index e1a9316371a..25df6fe8943 100644
--- a/test_util/EclRegressionTest.hpp
+++ b/test_util/EclRegressionTest.hpp
@@ -74,7 +74,6 @@ class ECLRegressionTest: public ECLFilesComparator {
     //Accept extra keywords in both simulations and compare only the keywords available in both runs
     void setAcceptExtraKeywordsBoth(bool acceptExtraKeywordsArg) {
         this->acceptExtraKeywordsBoth = acceptExtraKeywordsArg;
-        this->acceptExtraKeywords = acceptExtraKeywordsArg;
     }
 
     void setIntegrationTest(bool inregrationTestArg) {