diff --git a/src/pyliblexmodule.c b/src/pyliblexmodule.c
index 43f51b3..90540b7 100644
--- a/src/pyliblexmodule.c
+++ b/src/pyliblexmodule.c
@@ -6,6 +6,7 @@ static void _pyliblex_free_eval(PyObject* object){
   eval_config* config = PyCapsule_GetPointer(object, NULL);
   if(config){
     liblex_result result = eval_config_free(config);
+    free(config);
     if(result != LIBLEX_SUCCESS){
       PyErr_NoMemory();
     }
@@ -69,9 +70,10 @@ static int _pyliblex_add_match(void* data, va_list args){
   }
 
   if(tuple) {
-    if(return_code != 0) Py_DECREF(tuple);
-    else return_code = PyList_Append(list, tuple);
+    if(return_code == 0) return_code = PyList_Append(list, tuple);
+    Py_DECREF(tuple);
   }
+
   return return_code;
 }
 static PyObject* pyliblex_lex(PyObject* self, PyObject* args){