diff --git a/python/plugins/processing/algs/qgis/FieldPyculator.py b/python/plugins/processing/algs/qgis/FieldPyculator.py
index 739eb88fd1d2..83d010279988 100644
--- a/python/plugins/processing/algs/qgis/FieldPyculator.py
+++ b/python/plugins/processing/algs/qgis/FieldPyculator.py
@@ -52,7 +52,7 @@ class FieldsPyculator(QgisAlgorithm):
     OUTPUT = 'OUTPUT'
     RESULT_VAR_NAME = 'value'
 
-    TYPES = [QVariant.Int, QVariant.Double, QVariant.String]
+    TYPES = [QVariant.LongLong, QVariant.Double, QVariant.String]
 
     def group(self):
         return self.tr('Vector table')