diff --git a/python/plugins/sextante/modeler/ModelerAlgorithm.py b/python/plugins/sextante/modeler/ModelerAlgorithm.py
index 1b60c4f0d1c..a8b41a8e406 100644
--- a/python/plugins/sextante/modeler/ModelerAlgorithm.py
+++ b/python/plugins/sextante/modeler/ModelerAlgorithm.py
@@ -216,11 +216,11 @@ class ModelerAlgorithm(GeoAlgorithm):
         del self.algOutputs[index]
         del self.algPos[index]
 
-        index = -1
+        i = -1
         for paramValues in self.algParameters:
-            index += 1
-            newValues = []
-            for name, value in paramValues[index]:
+            i += 1
+            newValues = {}
+            for name, value in paramValues.iteritems():
                 if value:
                     if value.alg > index:
                         newValues[name] = AlgorithmAndParameter(value.alg - 1, value.param, value.algName, value.paramName)
@@ -228,7 +228,7 @@ class ModelerAlgorithm(GeoAlgorithm):
                         newValues[name] = value
                 else:
                     newValues[name] = value
-
+            self.algParameters[i] = newValues
         self.updateModelerView()
         return True