diff --git a/pymule/vegas.py b/pymule/vegas.py
index 0e76f1d72bddf7fdd76d11c941e0677687d14c0c..345e611111bc090c67c20d950d6aa56a127d0762 100644
--- a/pymule/vegas.py
+++ b/pymule/vegas.py
@@ -131,6 +131,9 @@ def importvegas(filename="", fp=None, inttype='i'):
                 continue
             if abs(delta[i]) < 1e-15:
                 continue
+
+            if names[i] in dic:
+                names[i] += '2'
             x = ouarray(
                 np.inf, -np.inf,
                 np.around(