diff --git a/opm/autodiff/FlowMain.hpp b/opm/autodiff/FlowMain.hpp
index 9a5a7fdaa..04fc88979 100644
--- a/opm/autodiff/FlowMain.hpp
+++ b/opm/autodiff/FlowMain.hpp
@@ -413,7 +413,7 @@ namespace Opm
                 ParseContext parseContext({{ ParseContext::PARSE_RANDOM_SLASH , InputError::IGNORE }});
                 deck_ = parser->parseFile(deck_filename, parseContext);
                 checkDeck(deck_, parser);
-                MissingFeatures::checkKeywords(deck_);
+                MissingFeatures::checkKeywords(*deck_);
                 eclipse_state_.reset(new EclipseState(deck_, parseContext));
                 auto ioConfig = eclipse_state_->getIOConfig();
                 ioConfig->setOutputDir(output_dir_);
diff --git a/opm/autodiff/MissingFeatures.cpp b/opm/autodiff/MissingFeatures.cpp
index 7f8524d6f..dea047d5e 100644
--- a/opm/autodiff/MissingFeatures.cpp
+++ b/opm/autodiff/MissingFeatures.cpp
@@ -28,7 +28,7 @@ namespace Opm {
 
 namespace MissingFeatures {
 
-    void checkKeywords(DeckConstPtr deck)
+    void checkKeywords(const Deck& deck)
     {
         // These keywords are supported by opm-parser, but are not supported
         // by flow. For some of them, only part of the options are supported.
@@ -57,8 +57,8 @@ namespace MissingFeatures {
             "WTEST", "WTRACER", "ZIPPY2" };
         
         // check deck and keyword for flow and parser.
-        for (size_t idx = 0; idx < deck->size(); ++idx) {
-            const auto& keyword = deck->getKeyword(idx);
+        for (size_t idx = 0; idx < deck.size(); ++idx) {
+            const auto& keyword = deck.getKeyword(idx);
             std::unordered_set<std::string>::const_iterator it;
             it = unsupported_keywords.find(keyword.name());
             if (it != unsupported_keywords.end()) {
diff --git a/opm/autodiff/MissingFeatures.hpp b/opm/autodiff/MissingFeatures.hpp
index 9a55d2a55..2cd805616 100644
--- a/opm/autodiff/MissingFeatures.hpp
+++ b/opm/autodiff/MissingFeatures.hpp
@@ -24,7 +24,7 @@ namespace Opm {
 
 namespace MissingFeatures {
 
-    void checkKeywords(std::shared_ptr<const Deck> deck);
+    void checkKeywords(const Deck& deck);
 
 }