diff --git a/TestSuite/lambda_params.pas b/TestSuite/lambda_params.pas
new file mode 100644
index 000000000..187d9a5b7
--- /dev/null
+++ b/TestSuite/lambda_params.pas
@@ -0,0 +1,13 @@
+procedure p1(params fs: array of Action0);
+begin
+  fs[0];  
+end;
+
+begin
+  var i := 0;
+  p1(()->
+  begin
+    i := 1;
+  end);
+  assert(i = 1);
+end.
\ No newline at end of file
diff --git a/TreeConverter/TreeConversion/syntax_tree_visitor.cs b/TreeConverter/TreeConversion/syntax_tree_visitor.cs
index 9ad983282..2e8b76158 100644
--- a/TreeConverter/TreeConversion/syntax_tree_visitor.cs
+++ b/TreeConverter/TreeConversion/syntax_tree_visitor.cs
@@ -7203,7 +7203,10 @@ namespace PascalABCCompiler.TreeConverter
                             else
                             {
                                 var enLambda = (SyntaxTree.function_lambda_definition)en;
-                                LambdaHelper.InferTypesFromVarStmt(fn.parameters[exprCounter].type, enLambda, this);
+                                if (fn.parameters[exprCounter].is_params)
+                                    LambdaHelper.InferTypesFromVarStmt(fn.parameters[exprCounter].type.element_type, enLambda, this);
+                                else
+                                    LambdaHelper.InferTypesFromVarStmt(fn.parameters[exprCounter].type, enLambda, this);
                                 enLambda.lambda_visit_mode = LambdaVisitMode.VisitForAdvancedMethodCallProcessing;
                                 exprs[exprCounter] = convert_strong(en);
                                 enLambda.lambda_visit_mode = LambdaVisitMode.VisitForInitialMethodCallProcessing;