diff --git a/e2-estia.i b/e2-estia.i
index 108f674..3de56f0 100644
--- a/e2-estia.i
+++ b/e2-estia.i
@@ -170,8 +170,8 @@ c * McStas source terms for gamma doeses
 c read file=sources/mcstas_source_vs.i echo
 c read file=sources/mcstas_source_sample.i echo
 c read file=sources/mcstas_source_mf.i echo
-read file=sources/mcstas_gammas.i echo
-c read file=sources/mcstas_gammas_2.i echo
+c read file=sources/mcstas_gammas.i echo
+read file=sources/mcstas_gammas_2.i echo
 prdmp 1e8 -60 1 2 1e7
 print 30 32 $ 120 128 150 160 161 162  
 c ++++++++++++++++++++++ END ++++++++++++++++++++++++++++