diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f2e544df..d30dfa059 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -56,6 +56,7 @@ or the DLL must be loaded in advance. This must be done before calling any other
 -   `import` may now raise errors with more detail than "No module named X"
 -   Exception stacktraces on `PythonException.StackTrace` are now properly formatted
 -   Providing an invalid type parameter to a generic type or method produces a helpful Python error
+-   Empty parameter names (as can be generated from F#) do not cause crashes
 
 ### Removed
 
diff --git a/src/runtime/methodbinder.cs b/src/runtime/methodbinder.cs
index 034c1c3e8..8f74e0052 100644
--- a/src/runtime/methodbinder.cs
+++ b/src/runtime/methodbinder.cs
@@ -622,7 +622,7 @@ static object[] TryConvertArguments(ParameterInfo[] pi, bool paramsArray,
             for (int paramIndex = 0; paramIndex < pi.Length; paramIndex++)
             {
                 var parameter = pi[paramIndex];
-                bool hasNamedParam = kwargDict.ContainsKey(parameter.Name);
+                bool hasNamedParam = parameter.Name != null ? kwargDict.ContainsKey(parameter.Name) : false;
                 bool isNewReference = false;
 
                 if (paramIndex >= pyArgCount && !(hasNamedParam || (paramsArray && paramIndex == arrayStart)))