diff --git a/translator/src/main/kotlin/org/kotlinnative/translator/FunctionCodegen.kt b/translator/src/main/kotlin/org/kotlinnative/translator/FunctionCodegen.kt
index 4a35f659b7a..20f37f38da9 100644
--- a/translator/src/main/kotlin/org/kotlinnative/translator/FunctionCodegen.kt
+++ b/translator/src/main/kotlin/org/kotlinnative/translator/FunctionCodegen.kt
@@ -15,7 +15,7 @@ class FunctionCodegen(override val state: TranslationState, override val variabl
         BlockCodegen(state, variableManager, codeBuilder) {
 
     var name = function.fqName.toString()
-    var args = ArrayList<LLVMVariable>()
+    var args = LinkedList<LLVMVariable>()
 
     init {
         val descriptor = state.bindingContext.get(BindingContext.FUNCTION, function)!!
@@ -58,7 +58,7 @@ class FunctionCodegen(override val state: TranslationState, override val variabl
         var external = false
 
         if (this_type != null) {
-            args.add(this_type)
+            args.addFirst(this_type)
         }
         args.forEach {
             val type = it.type
diff --git a/translator/src/test/kotlin/tests/input/class_methods_1.txt b/translator/src/test/kotlin/tests/input/class_methods_1.txt
new file mode 100644
index 00000000000..2a1153ba1de
--- /dev/null
+++ b/translator/src/test/kotlin/tests/input/class_methods_1.txt
@@ -0,0 +1 @@
+class_methods_1(55) == 60
\ No newline at end of file
diff --git a/translator/src/test/kotlin/tests/kotlin/class_methods_1.kt b/translator/src/test/kotlin/tests/kotlin/class_methods_1.kt
new file mode 100644
index 00000000000..e96a4229bf4
--- /dev/null
+++ b/translator/src/test/kotlin/tests/kotlin/class_methods_1.kt
@@ -0,0 +1,10 @@
+class class_methods_1_class() {
+    fun method(t : Int): Int {
+        return t + 5
+    }
+}
+
+fun class_methods_1(zz: Int): Int {
+    val x = class_methods_1_class()
+    return x.method(zz)
+}
\ No newline at end of file