diff --git a/osaca/osaca.py b/osaca/osaca.py
index a6631c4..408bc6b 100755
--- a/osaca/osaca.py
+++ b/osaca/osaca.py
@@ -81,7 +81,7 @@ class Osaca(object):
             val = -2
             new = False
             try:
-                entry = self.df.loc[lambda df, inst=instr, col=clmn: df.instr == inst,col]
+                entry = self.df.loc[lambda df, inst=instr: df.instr == inst,clmn]
                 val = entry.values[0]
             except IndexError:
                 # Instruction not in database yet --> add it