diff --git a/exercise.sh b/exercise.sh
index d776385..7703f40 100755
--- a/exercise.sh
+++ b/exercise.sh
@@ -8,7 +8,7 @@ SKIP_EXERCISES=${SKIP_EXERCISES:-""}
 
 # Locate the scripts we should run
 EXERCISE_DIR=$(dirname "$0")/exercises
-basenames=$(for b in `ls $EXERCISE_DIR/*.sh` ; do basename $b .sh ; done)
+basenames=$(for b in `ls $EXERCISE_DIR/*.sh`; do basename $b .sh; done)
 
 # Track the state of each script
 passes=""
@@ -16,7 +16,7 @@ failures=""
 skips=""
 
 # Loop over each possible script (by basename)
-for script in $basenames ; do
+for script in $basenames; do
     if [[ "$SKIP_EXERCISES" =~ $script ]] ; then
         skips="$skips $script"
     else
@@ -35,12 +35,12 @@ done
 # output status of exercise run
 echo =========================
 echo =========================
-for script in $skips ; do
+for script in $skips; do
     echo SKIP $script
 done
-for script in $passes ; do
+for script in $passes; do
     echo PASS $script
 done
-for script in $failures ; do
+for script in $failures; do
     echo FAILED $script
 done