diff --git a/steginack.py b/steginack.py
index 802b7e7..483c7bb 100755
--- a/steginack.py
+++ b/steginack.py
@@ -18,14 +18,14 @@ def hideInFile(infile, hidefile, bits, outfile):
     for x in range(inim.size[0]):
         for y in range(inim.size[1]):
             incol = inim.getpixel((x, y))
-            hidecol = inim.getpixel((x, y))
+            hidecol = hideim.getpixel((x, y))
             outcol = []
             for cp in range(len(incol)):
                 inbyt = get_bin(incol[cp], 8)
                 hidebyt = get_bin(hidecol[cp], 8)
                 outbyt = list(inbyt)
                 for bit in range(bits):
-                    outbyt[-bit - 1] = inbyt[1]
+                    outbyt[-bit - 1] = hidebyt[bit]
                 outcol.append(int(''.join(outbyt), 2))
             outim.putpixel((x, y), tuple(outcol))
             eta.print_status(x * inim.size[1] + y)
@@ -35,10 +35,23 @@ def hideInFile(infile, hidefile, bits, outfile):
     outim.save(outfile, 'PNG')
 
 
-def inverseFile(infile, bits, outfile):
+def inverseFile(infile, outfile):
     inim = Image.open(infile)
     outim = Image.new('RGB', inim.size)
-    assert 0 <= bits <= 8
+    eta = ETA(inim.size[0] * inim.size[1])
+    for x in range(inim.size[0]):
+        for y in range(inim.size[1]):
+            incol = inim.getpixel((x, y))
+            outcol = []
+            for cp in range(len(incol)):
+                inbyt = get_bin(incol[cp], 8)
+                outbyt = list(inbyt)
+                for bit in range(8):
+                    outbyt[-bit - 1] = inbyt[bit]
+                outcol.append(int(''.join(outbyt), 2))
+            outim.putpixel((x, y), tuple(outcol))
+            eta.print_status(x * inim.size[1] + y)
+    eta.done()
     inim.close()
     outim.save(outfile, 'PNG')
 
@@ -46,11 +59,11 @@ def inverseFile(infile, bits, outfile):
 if __name__ == '__main__':
     parser = argparse.ArgumentParser(description="Hide an image inside another and decode images")
     parser.add_argument('infile', metavar='INFILE', type=str, help="Input file")
-    parser.add_argument('bits', metavar='BITS', type=int, help="Number of bits to use")
     parser.add_argument('outfile', metavar='OUTFILE', type=str, help="Output file")
+    parser.add_argument('-b', '--bits', type=int, help="Number of bits to use for hiding")
     parser.add_argument('-s', '--hide', type=str, help="File to hide")
     args = parser.parse_args()
     if args.hide:
         hideInFile(args.infile, args.hide, args.bits, args.outfile)
     else:
-        inverseFile(args.infile, args.bits, args.outfile)
+        inverseFile(args.infile, args.outfile)