diff --git a/misc/build.func b/misc/build.func
index 8a838d475..4d45676eb 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -4505,10 +4505,8 @@ create_lxc_container() {
 
     ONLINE_TEMPLATES=()
     ONLINE_TEMPLATE=""
-    set +u
     mapfile -t ONLINE_TEMPLATES < <(pveam available -section system 2>/dev/null | grep -E '\.(tar\.zst|tar\.xz|tar\.gz)$' | awk '{print $2}' | grep -E "^${TEMPLATE_SEARCH}.*${TEMPLATE_PATTERN}" | sort -t - -k 2 -V 2>/dev/null || true)
     [[ ${#ONLINE_TEMPLATES[@]} -gt 0 ]] && ONLINE_TEMPLATE="${ONLINE_TEMPLATES[-1]}"
-    set -u
 
     TEMPLATE="$ONLINE_TEMPLATE"
     TEMPLATE_SOURCE="online"
@@ -4522,7 +4520,6 @@ create_lxc_container() {
 
     # Get all available versions for this OS type
     AVAILABLE_VERSIONS=()
-    set +u
     mapfile -t AVAILABLE_VERSIONS < <(
       pveam available -section system 2>/dev/null |
         grep -E '\.(tar\.zst|tar\.xz|tar\.gz)$' |
@@ -4531,7 +4528,6 @@ create_lxc_container() {
         sed -E "s/.*${PCT_OSTYPE}-([0-9]+(\.[0-9]+)?).*/\1/" |
         sort -u -V 2>/dev/null
     )
-    set -u
 
     if [[ ${#AVAILABLE_VERSIONS[@]} -gt 0 ]]; then
       echo ""
@@ -4547,7 +4543,6 @@ create_lxc_container() {
         TEMPLATE_SEARCH="${PCT_OSTYPE}-${PCT_OSVERSION}"
 
         ONLINE_TEMPLATES=()
-        set +u
         mapfile -t ONLINE_TEMPLATES < <(
           pveam available -section system 2>/dev/null |
             grep -E '\.(tar\.zst|tar\.xz|tar\.gz)$' |
@@ -4555,7 +4550,6 @@ create_lxc_container() {
             grep -E "^${TEMPLATE_SEARCH}-.*${TEMPLATE_PATTERN}" |
             sort -t - -k 2 -V 2>/dev/null || true
         )
-        set -u
 
         if [[ ${#ONLINE_TEMPLATES[@]} -gt 0 ]]; then
           TEMPLATE="${ONLINE_TEMPLATES[-1]}"