diff --git a/misc/build.func b/misc/build.func
index 4ab2a1b7..6a344898 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -744,7 +744,7 @@ config_file(){
         exit
        fi
 
-      LIST_OF_IDS=$( pvesh get /cluster/resources --type vm --output-format json | jq '.[] .vmid' -r)
+      LIST_OF_IDS=$(pvesh get /cluster/resources --type vm --output-format json | grep -oP '"vmid":\s*\K\d+' )
 
       for ((ID=MIN_ID; ID<=MAX_ID; ID++)); do
         if ! grep -q "^$ID$" <<< "$LIST_OF_IDS"; then
@@ -757,7 +757,7 @@ config_file(){
 
     elif [[ "$CT_ID" =~ ^[0-9]+$ ]]; then
 
-      LIST_OF_IDS=$( pvesh get /cluster/resources --type vm --output-format json | jq '.[] .vmid' -r)
+      LIST_OF_IDS=$(pvesh get /cluster/resources --type vm --output-format json | grep -oP '"vmid":\s*\K\d+' )
       if ! grep -q "^$CT_ID$" <<< "$LIST_OF_IDS"; then
         echo -e "${CONTAINERID}${BOLD}${DGN}Container ID: ${BGN}$CT_ID${CL}"
       else