diff --git a/mariadb/mariadb_codecs.c b/mariadb/mariadb_codecs.c
index 37a466e..10ec1bf 100644
--- a/mariadb/mariadb_codecs.c
+++ b/mariadb/mariadb_codecs.c
@@ -1102,7 +1102,7 @@ mariadb_get_parameter_info(MrdbCursor *self,
         {
             uint64_t tmp= PyLong_AsLongLong(paramvalue.value);
 
-            if (tmp == (uint64_t)-1 && PyErr_Occurred)
+            if (tmp == (uint64_t)-1 && PyErr_Occurred())
             {
               param->is_unsigned= 1;
               PyErr_Clear();