diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index fd1c309..23f3ca9 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -73,3 +73,7 @@ add_test(NAME issue-149-entry-selection COMMAND issue-149-entry-selection)
 add_executable(issue-189-default-values issue-189-default-values.cpp)
 target_link_libraries(issue-189-default-values nlohmann_json_schema_validator)
 add_test(NAME issue-189-default-values COMMAND issue-189-default-values)
+
+add_executable(issue-212-read-only-values read-only-values.cpp)
+target_link_libraries(issue-212-read-only-values nlohmann_json_schema_validator)
+add_test(NAME issue-212-read-only-values COMMAND issue-212-read-only-values)
diff --git a/test/read-only-values.cpp b/test/read-only-values.cpp
new file mode 100644
index 0000000..0adeb7c
--- /dev/null
+++ b/test/read-only-values.cpp
@@ -0,0 +1,23 @@
+#include <nlohmann/json-schema.hpp>
+
+using nlohmann::json;
+using nlohmann::json_schema::json_validator;
+
+static const json read_only_schema = R"({
+	"type": "object",
+	"properties": {
+		"debug": {
+			"type": "boolean", 
+			"default": false,
+			"readOnly": true
+		}
+	}
+})";
+
+int main() {
+	json_validator validator(read_only_schema);
+	validator.validate(R"({
+		"debug": true
+	})");
+	return 0;
+}
\ No newline at end of file