diff --git a/egs/iban/s5/path.sh b/egs/iban/s5/path.sh
index 8f2d8c3b3..2d17b17a8 100755
--- a/egs/iban/s5/path.sh
+++ b/egs/iban/s5/path.sh
@@ -1,10 +1,6 @@
-#!/bin/bash
-
 export KALDI_ROOT=`pwd`/../../..
-. $KALDI_ROOT/tools/config/common_path.sh
-
+[ -f $KALDI_ROOT/tools/env.sh ] && . $KALDI_ROOT/tools/env.sh
 export PATH=$PWD/utils/:$KALDI_ROOT/tools/openfst/bin:$PWD:$PATH
-
-. $KALDI_ROOT/tools/env.sh
+[ ! -f $KALDI_ROOT/tools/config/common_path.sh ] && echo >&2 "The standard file $KALDI_ROOT/tools/config/common_path.sh is not present -> Exit!" && exit 1
+. $KALDI_ROOT/tools/config/common_path.sh
 export LC_ALL=C
-
diff --git a/egs/wsj/s5/steps/nnet2/decode.sh b/egs/wsj/s5/steps/nnet2/decode.sh
index e4e726522..7f1c8c267 100755
--- a/egs/wsj/s5/steps/nnet2/decode.sh
+++ b/egs/wsj/s5/steps/nnet2/decode.sh
@@ -68,7 +68,7 @@ done
 sdata=$data/split$nj;
 cmvn_opts=`cat $srcdir/cmvn_opts` || exit 1;
 thread_string=
-[ $num_threads -gt 1 ] && thread_string="-parallel --num-threads=$num_threads" 
+[ $num_threads -gt 1 ] && thread_string="-parallel --num-threads=$num_threads"
 
 mkdir -p $dir/log
 [[ -d $sdata && $data/feats.scp -ot $sdata ]] || split_data.sh $data $nj || exit 1;
@@ -99,7 +99,7 @@ if [ ! -z "$transform_dir" ]; then
   [ ! -s $transform_dir/num_jobs ] && \
     echo "$0: expected $transform_dir/num_jobs to contain the number of jobs." && exit 1;
   nj_orig=$(cat $transform_dir/num_jobs)
-  
+
   if [ $feat_type == "raw" ]; then trans=raw_trans;
   else trans=trans; fi
   if [ $feat_type == "lda" ] && \
@@ -142,7 +142,7 @@ if [ $stage -le 1 ]; then
      $graphdir/HCLG.fst "$feats" "ark:|gzip -c > $dir/lat.JOB.gz" || exit 1;
 fi
 
-# The output of this script is the files "lat.*.gz"-- we'll rescore this at 
+# The output of this script is the files "lat.*.gz"-- we'll rescore this at
 # different acoustic scales to get the final output.
 
 
@@ -151,7 +151,8 @@ if [ $stage -le 2 ]; then
     [ ! -x local/score.sh ] && \
       echo "Not scoring because local/score.sh does not exist or not executable." && exit 1;
     echo "score best paths"
-    local/score.sh --iter $iter $scoring_opts --cmd "$cmd" $data $graphdir $dir
+    [ "$iter" != "final" ] && iter_opt="--iter $iter"
+    local/score.sh $iter_opt $scoring_opts --cmd "$cmd" $data $graphdir $dir
     echo "score confidence and timing with sclite"
   fi
 fi
diff --git a/egs/wsj/s5/steps/nnet3/decode.sh b/egs/wsj/s5/steps/nnet3/decode.sh
index 1a60118c6..151dd6be2 100755
--- a/egs/wsj/s5/steps/nnet3/decode.sh
+++ b/egs/wsj/s5/steps/nnet3/decode.sh
@@ -170,7 +170,8 @@ if [ $stage -le 2 ]; then
     [ ! -x local/score.sh ] && \
       echo "Not scoring because local/score.sh does not exist or not executable." && exit 1;
     echo "score best paths"
-    local/score.sh --iter $iter $scoring_opts --cmd "$cmd" $data $graphdir $dir
+    [ "$iter" != "final" ] && iter_opt="--iter $iter"
+    local/score.sh $iter_opt $scoring_opts --cmd "$cmd" $data $graphdir $dir
     echo "score confidence and timing with sclite"
   fi
 fi