diff --git a/KEITHLEY-2701/createImages b/KEITHLEY-2701/createImages
index fd07e9b26db501d71b123752edde1726c296b0fa..ef3b39b54a662579a33c71a9b5ac78ba392a7da7 100755
--- a/KEITHLEY-2701/createImages
+++ b/KEITHLEY-2701/createImages
@@ -66,7 +66,7 @@ dotPos[1]=${digitPos[1]}
 for ((FNb=1; FNb<=MAX_FILES; FNb++)); do
 
 DPR=$((RANDOM % $NUMBER_OF_DIGITS + 1)) # random dot position (1..$NUMBER_OF_DIGITS)
-for i in {1..7}; do
+for (( i=1; i<=$MAX_DIGITS; i++ )); do 
   DNR[$i]=$((RANDOM % 10)) # random digit number (0..9)
   if [ $DPR == $i ]; then
     DF[$i]="$dotFile"