diff --git a/FLUKE-8840A/createImages b/FLUKE-8840A/createImages
index fb9e4aeda35894593227242d5b3d7a2a1ac8db73..782566ce5fd034dafa171d12a7271fd7c50b4738 100755
--- a/FLUKE-8840A/createImages
+++ b/FLUKE-8840A/createImages
@@ -56,12 +56,17 @@ if [ $SIGN == 0 ]; then
 else
   SF=$minusFile
   SCH='-'
-fi
+fi 
 
 for i in {1..6}; do
   if [ $i == 6 ]; then # position 6: "1" or nothing
     DNR[6]=$((RANDOM % 2))
-    if [ ${DNR[6]} == 0 ]; then DNR[6]=99; fi
+    if [ ${DNR[6]} == 0 ]; then 
+      DNR[6]=99
+      DNR6=""
+    else
+      DNR6="1"
+    fi
     # random digit number (99|1)
   else
     DNR[$i]=$((RANDOM % 10)) # random digit number (0..9)
@@ -75,9 +80,6 @@ for i in {1..6}; do
   fi
 done
 
-DNR6="1"
-if [ ${DNR[6]} == 99 ]; then DNR6=""; fi
-
 value="${SCH}${DNR6}${DP[6]}${DNR[5]}${DP[5]}${DNR[4]}${DP[4]}"
 value+="${DNR[3]}${DP[3]}${DNR[2]}${DP[2]}${DNR[1]}${DP[1]}"