diff --git a/python/plugins/processing/algs/qgis/scripts/Frequency_analysis.py b/python/plugins/processing/algs/qgis/scripts/Frequency_analysis.py
index 55c75eded4c..e81135ac55e 100644
--- a/python/plugins/processing/algs/qgis/scripts/Frequency_analysis.py
+++ b/python/plugins/processing/algs/qgis/scripts/Frequency_analysis.py
@@ -1,33 +1,35 @@
-##Vector table tools=group
-##Input=vector
-##Fields=string
-##Output=output table
+##Table=group
+##input=vector
+##fields=string
+##output=output table
 
 from qgis.core import *
 from PyQt4.QtCore import *
+from processing.core.TableWriter import TableWriter
 from collections import defaultdict
 
-layer = processing.getObject(Input)
+layer = processing.getObject(input)
 inputFields = layer.pendingFields()
 fieldIdxs = []
-fields = Fields.split(',')
-for f in fields:
-    idx = inputFields.indexFromName(f)
+fields = fields.split(',')
+for f in fields:  
+    idx = inputFields.indexFromName(f)  
     if  idx == -1:
         raise GeoAlgorithmExecutionException('Field not found:' + f)
     fieldIdxs.append(idx)
-writer = processing.TableWriter(Output, None,  fields + ['FREQ'])
+writer = TableWriter(output, None,  fields + ['FREQ'])
 
 counts = {}
 feats = processing.features(layer)
 nFeats = len(feats)
 counts = defaultdict(int)
 for i, feat in enumerate(feats):
-    progress.setPercentage(int(100 * i / nFeats))
+    progress.setPercentage(int(100 * i / nFeats))    
     attrs = feat.attributes()
     clazz = tuple([attrs[idx] for idx in fieldIdxs])
+    print clazz
     counts[clazz] += 1
 
-for c in counts:
+for c in counts:    
     writer.addRecord(list(c) + [counts[c]])