diff --git a/opm/simulators/linalg/PropertyTree.cpp b/opm/simulators/linalg/PropertyTree.cpp
index 5f747efc9..d52dd0d11 100644
--- a/opm/simulators/linalg/PropertyTree.cpp
+++ b/opm/simulators/linalg/PropertyTree.cpp
@@ -126,6 +126,7 @@ template void PropertyTree::put(const std::string& key, const double& value);
 template void PropertyTree::put(const std::string& key, const float& value);
 template void PropertyTree::put(const std::string& key, const int& value);
 template void PropertyTree::put(const std::string& key, const std::size_t& value);
+template void PropertyTree::put(const std::string& key, const bool& value);
 
 template std::string PropertyTree::get(const std::string& key) const;
 template double PropertyTree::get(const std::string& key) const;
diff --git a/tests/test_propertytree.cpp b/tests/test_propertytree.cpp
index 6b6891b79..7bb33f8a5 100644
--- a/tests/test_propertytree.cpp
+++ b/tests/test_propertytree.cpp
@@ -56,6 +56,7 @@ BOOST_AUTO_TEST_CASE(Top_Node_Only)
     t.put("b", 123.4);
     t.put("c", std::string { "hello" });
     t.put("d", 12.34f);
+    t.put("e", true);
 
     {
         const auto a = t.get<int>("a");
@@ -88,6 +89,14 @@ BOOST_AUTO_TEST_CASE(Top_Node_Only)
         const auto dd = t.get("dd", -1.618f);
         BOOST_CHECK_CLOSE(dd, -1.618f, 1.0e-6f);
     }
+
+    {
+        const auto e = t.get<bool>("e");
+        BOOST_CHECK_EQUAL(e, true);
+
+        const auto ee = t.get<bool>("ee", false);
+        BOOST_CHECK_EQUAL(ee, false);
+    }
 }
 
 BOOST_AUTO_TEST_CASE(Size_T)
@@ -278,6 +287,11 @@ BOOST_AUTO_TEST_CASE(Vector)
                                       expect.begin(), expect.end());
     }
 
+    {
+        const auto aa = t.get_child_items_as_vector<int>("aa");
+        BOOST_CHECK_MESSAGE(!aa.has_value(), R"(Node "aa" must NOT exist)");
+    }
+
     {
         const auto b = t.get_child_items_as_vector<double>("b");
         BOOST_REQUIRE_MESSAGE(b.has_value(), R"(Node "b" must exist)");