diff --git a/scripts/create-image.sh b/scripts/create-image.sh
index 514eaf2e..93d8f7e6 100755
--- a/scripts/create-image.sh
+++ b/scripts/create-image.sh
@@ -397,8 +397,9 @@ fi
 
 if [ "${UEFI32}" = "true" ] || [ "${UEFI64}" = "true" ] || [ "${MBR}" = "true" ] || [ "${UEFI64ARM}" = "true" ]; then
   # grub config script per system
-  if [ -x ${WORKDIR}/systems/${1}/grubconfig.sh ]; then
+  if [ -f ${WORKDIR}/systems/${1}/grubconfig.sh ]; then
     cp ${WORKDIR}/systems/${1}/grubconfig.sh ${MOUNT_POINT}/grubconfig.sh
+    chmod a+x ${MOUNT_POINT}/grubconfig.sh
     chroot ${MOUNT_POINT} /grubconfig.sh
     rm -f ${MOUNT_POINT}/grubconfig.sh
   fi
@@ -406,8 +407,9 @@ if [ "${UEFI32}" = "true" ] || [ "${UEFI64}" = "true" ] || [ "${MBR}" = "true" ]
 fi
 
 # finalize script which is run chrooted per system
-if [ -x ${WORKDIR}/systems/${1}/finalize-chroot.sh ]; then
+if [ -f ${WORKDIR}/systems/${1}/finalize-chroot.sh ]; then
   cp ${WORKDIR}/systems/${1}/finalize-chroot.sh ${MOUNT_POINT}/finalize-chroot.sh
+  chmod a+x ${MOUNT_POINT}/finalize-chroot.sh
   chroot ${MOUNT_POINT} /finalize-chroot.sh ${1} ${2} ${3}
   rm -f ${MOUNT_POINT}/finalize-chroot.sh
 fi
diff --git a/systems/allwinner_h3/postinstall-chroot.sh b/systems/allwinner_h3/postinstall-chroot.sh
old mode 100644
new mode 100755
diff --git a/systems/allwinner_h6/postinstall-chroot.sh b/systems/allwinner_h6/postinstall-chroot.sh
old mode 100644
new mode 100755
diff --git a/systems/allwinner_h616/postinstall-chroot.sh b/systems/allwinner_h616/postinstall-chroot.sh
old mode 100644
new mode 100755
diff --git a/systems/amlogic_gx/postinstall-chroot.sh b/systems/amlogic_gx/postinstall-chroot.sh
old mode 100644
new mode 100755
diff --git a/systems/chromebook_gru/postinstall-chroot.sh b/systems/chromebook_gru/postinstall-chroot.sh
old mode 100644
new mode 100755
diff --git a/systems/chromebook_kukui/postinstall-chroot.sh b/systems/chromebook_kukui/postinstall-chroot.sh
old mode 100644
new mode 100755
diff --git a/systems/chromebook_oak/postinstall-chroot.sh b/systems/chromebook_oak/postinstall-chroot.sh
old mode 100644
new mode 100755
diff --git a/systems/chromebook_veyron/postinstall-chroot.sh b/systems/chromebook_veyron/postinstall-chroot.sh
old mode 100644
new mode 100755
diff --git a/systems/odroid_u3/postinstall-chroot.sh b/systems/odroid_u3/postinstall-chroot.sh
old mode 100644
new mode 100755
diff --git a/systems/orbsmart_s92_beelink_r89/postinstall-chroot.sh b/systems/orbsmart_s92_beelink_r89/postinstall-chroot.sh
old mode 100644
new mode 100755
diff --git a/systems/raspberry_pi_3/postinstall-chroot.sh b/systems/raspberry_pi_3/postinstall-chroot.sh
old mode 100644
new mode 100755
diff --git a/systems/raspberry_pi_4/postinstall-chroot.sh b/systems/raspberry_pi_4/postinstall-chroot.sh
old mode 100644
new mode 100755
diff --git a/systems/rockchip_rk3288/postinstall-chroot.sh b/systems/rockchip_rk3288/postinstall-chroot.sh
old mode 100644
new mode 100755
diff --git a/systems/rockchip_rk33xx/postinstall-chroot.sh b/systems/rockchip_rk33xx/postinstall-chroot.sh
old mode 100644
new mode 100755