diff --git a/tools/xen/install_os_domU.sh b/tools/xen/install_os_domU.sh
index 41b184c..d172c7b 100755
--- a/tools/xen/install_os_domU.sh
+++ b/tools/xen/install_os_domU.sh
@@ -194,8 +194,7 @@
     while true
     do
         state=$(xe_min vm-list name-label="$GUEST_NAME" power-state=halted)
-        if [ -n "$state" ]
-        then
+        if [ -n "$state" ]; then
             break
         else
             echo -n "."
diff --git a/tools/xen/scripts/install-os-vpx.sh b/tools/xen/scripts/install-os-vpx.sh
index 7b0d891..8412fdc 100755
--- a/tools/xen/scripts/install-os-vpx.sh
+++ b/tools/xen/scripts/install-os-vpx.sh
@@ -63,8 +63,7 @@
                 ;;
         esac
     done
-    if [[ -z $BRIDGE ]]
-    then
+    if [[ -z $BRIDGE ]]; then
         BRIDGE=xenbr0
     fi
 
@@ -91,8 +90,7 @@
 find_network()
 {
     result=$(xe_min network-list bridge="$1")
-    if [ "$result" = "" ]
-    then
+    if [ "$result" = "" ]; then
         result=$(xe_min network-list name-label="$1")
     fi
     echo "$result"
@@ -121,8 +119,7 @@
 {
     local v="$1"
     IFS=,
-    for vif in $(xe_min vif-list vm-uuid="$v")
-    do
+    for vif in $(xe_min vif-list vm-uuid="$v"); do
         xe vif-destroy uuid="$vif"
     done
     unset IFS
diff --git a/tools/xen/scripts/on_exit.sh b/tools/xen/scripts/on_exit.sh
index a4db39c..2441e3d 100755
--- a/tools/xen/scripts/on_exit.sh
+++ b/tools/xen/scripts/on_exit.sh
@@ -7,8 +7,7 @@
 
 on_exit()
 {
-    for i in $(seq $((${#on_exit_hooks[*]} - 1)) -1 0)
-    do
+    for i in $(seq $((${#on_exit_hooks[*]} - 1)) -1 0); do
         eval "${on_exit_hooks[$i]}"
     done
 }
@@ -17,8 +16,7 @@
 {
     local n=${#on_exit_hooks[*]}
     on_exit_hooks[$n]="$*"
-    if [[ $n -eq 0 ]]
-    then
+    if [[ $n -eq 0 ]]; then
         trap on_exit EXIT
     fi
 }
diff --git a/tools/xen/test_functions.sh b/tools/xen/test_functions.sh
index 373d996..838f86a 100755
--- a/tools/xen/test_functions.sh
+++ b/tools/xen/test_functions.sh
@@ -227,16 +227,14 @@
 }
 
 [ "$1" = "run_tests" ] && {
-    for testname in $($0)
-    do
+    for testname in $($0); do
         echo "$testname"
         before_each_test
         (
             set -eux
             $testname
         )
-        if [ "$?" != "0" ]
-        then
+        if [ "$?" != "0" ]; then
             echo "FAIL"
             exit 1
         else