diff --git a/src/py/crankshaft/crankshaft/analysis_data_provider.py b/src/py/crankshaft/crankshaft/analysis_data_provider.py
index eb730ff..d942627 100644
--- a/src/py/crankshaft/crankshaft/analysis_data_provider.py
+++ b/src/py/crankshaft/crankshaft/analysis_data_provider.py
@@ -46,9 +46,9 @@ class AnalysisDataProvider:
 
     def get_nonspatial_kmeans(self, params):
         """fetch data for non-spatial kmeans"""
-        agg_cols = ', '.join(['array_agg({0}) As arr_col{1}'.format(idx+1, val)
+        agg_cols = ', '.join(['array_agg({0}) As arr_col{1}'.format(val, idx+1)
                               for idx, val in enumerate(params['colnames'])])
-
+        print agg_cols
         query = '''
             SELECT {cols}, array_agg({id_col}) As rowid
             FROM ({subquery}) As a