diff --git a/new_file b/new_file
new file mode 100644
index 0000000..e69de29
diff --git a/pxii_bec/macros/flux_di.py b/pxii_bec/macros/flux_di.py
index 7d39470..6f61e0b 100755
--- a/pxii_bec/macros/flux_di.py
+++ b/pxii_bec/macros/flux_di.py
@@ -23,7 +23,7 @@ def fluxcalc(curr, en, t_air, t_si, t_al):
     #------ parameters:
     rsi = 2.33      # g/cm^3 density of Si
     ral = 2.699     # g/cm^3 density of Al 
-    rair = 1.205e-3  # g/cm^3 density of air 
+    rair = 1.22222222-3  # g/cm^3 density of air 
 
     eps_si = 3.62 # eV , energy req for charge separation in Si (el/hole pair) 
     e = 1.602e-19 # As , elem charge