diff --git a/scripts/iiab-diagnostics b/scripts/iiab-diagnostics
index edbc78985..b64423262 100755
--- a/scripts/iiab-diagnostics
+++ b/scripts/iiab-diagnostics
@@ -43,7 +43,7 @@ function cat_file_raw() {    # $1 = path/filename; $2 = # of lines, for tail
         else    # e.g. last 100 lines, maximum
             echo "                        ...ITS LAST $2 LINES FOLLOW..." >> $outfile
             echo >> $outfile
-	    tail -$2 "$1" | sed 's/^\(\s*[[:alnum:]_-]*\(psk\|passphrase\|password\):\).*/\1 [REDACTED]/; s/^\(\s*[[:alnum:]_-]*\(psk\|passphrase\|password\)[= \t]\).*/\1[REDACTED]/' | iconv -t UTF-8//IGNORE >> $outfile
+            tail -$2 "$1" | sed 's/^\(\s*[[:alnum:]_-]*\(psk\|passphrase\|password\):\).*/\1 [REDACTED]/; s/^\(\s*[[:alnum:]_-]*\(psk\|passphrase\|password\)[= \t]\).*/\1[REDACTED]/' | iconv -t UTF-8//IGNORE >> $outfile
         fi
         echo >> $outfile
     elif [ -h "$1" ]; then