diff --git a/csharp/ql/test/library-tests/csharp8/DefaultInterfaceMethods.cs b/csharp/ql/test/library-tests/csharp8/DefaultInterfaceMethods.cs
new file mode 100644
index 000000000000..123462e0b439
--- /dev/null
+++ b/csharp/ql/test/library-tests/csharp8/DefaultInterfaceMethods.cs
@@ -0,0 +1,27 @@
+using System;
+
+interface IPerson
+{
+    string Name { get; }
+
+    string Greeting
+    {
+        get => "Hello";
+        set { }
+    }
+
+    string Greet(string name) => Greeting + " " + name;
+
+    string GreetingString => Greet(Name);
+
+    void Greet();
+}
+
+class Person : IPerson
+{
+    public string Name => "Petra";
+
+    string IPerson.Greeting { get => "Howdy"; set { } }
+
+    public void Greet() { }
+}
diff --git a/csharp/ql/test/library-tests/csharp8/DefaultInterfaceMethods.expected b/csharp/ql/test/library-tests/csharp8/DefaultInterfaceMethods.expected
index e69de29bb2d1..a8700aa4d02a 100644
--- a/csharp/ql/test/library-tests/csharp8/DefaultInterfaceMethods.expected
+++ b/csharp/ql/test/library-tests/csharp8/DefaultInterfaceMethods.expected
@@ -0,0 +1,4 @@
+| DefaultInterfaceMethods.cs:9:9:9:11 | get_Greeting |
+| DefaultInterfaceMethods.cs:10:9:10:11 | set_Greeting |
+| DefaultInterfaceMethods.cs:13:12:13:16 | Greet |
+| DefaultInterfaceMethods.cs:15:30:15:40 | get_GreetingString |
diff --git a/csharp/ql/test/library-tests/csharp8/DefaultInterfaceMethods.ql b/csharp/ql/test/library-tests/csharp8/DefaultInterfaceMethods.ql
index 9336ca3f060a..d9ba39ef02d6 100644
--- a/csharp/ql/test/library-tests/csharp8/DefaultInterfaceMethods.ql
+++ b/csharp/ql/test/library-tests/csharp8/DefaultInterfaceMethods.ql
@@ -1,6 +1,6 @@
 import csharp
 
-class DefaultInterfaceMethod extends Method {
+class DefaultInterfaceMethod extends Callable {
   DefaultInterfaceMethod() {
     this.hasBody() and
     this.getDeclaringType() instanceof Interface