diff --git a/pyqtgraph/graphicsItems/ScatterPlotItem.py b/pyqtgraph/graphicsItems/ScatterPlotItem.py
index 18d9ebf3..a69131ef 100644
--- a/pyqtgraph/graphicsItems/ScatterPlotItem.py
+++ b/pyqtgraph/graphicsItems/ScatterPlotItem.py
@@ -495,8 +495,8 @@ class ScatterPlotItem(GraphicsObject):
             
         if isinstance(size, np.ndarray) or isinstance(size, list):
             sizes = size
-            if kargs['mask'] is not None:
-                sizes = sizes[kargs['mask']]
+            if mask is not None:
+                sizes = sizes[mask]
             if len(sizes) != len(dataSet):
                 raise Exception("Number of sizes does not match number of points (%d != %d)" % (len(sizes), len(dataSet)))
             dataSet['size'] = sizes
@@ -508,13 +508,13 @@ class ScatterPlotItem(GraphicsObject):
         if update:
             self.updateSpots(dataSet)
         
-    def setPointData(self, data, dataSet=None):
+    def setPointData(self, data, dataSet=None, mask=None):
         if dataSet is None:
             dataSet = self.data
             
         if isinstance(data, np.ndarray) or isinstance(data, list):
-            if kargs['mask'] is not None:
-                data = data[kargs['mask']]
+            if mask is not None:
+                data = data[mask]
             if len(data) != len(dataSet):
                 raise Exception("Length of meta data does not match number of points (%d != %d)" % (len(data), len(dataSet)))