diff --git a/misc/build.func b/misc/build.func
index b33e96818..33cb367be 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -1853,7 +1853,7 @@ advanced_settings() {
 
     # ═══════════════════════════════════════════════════════════════════════════
     # STEP 2: Root Password
-    # ════════════════════════════════════════════════════════════════════════���══
+    # ════════════════════════════════════════���═══════════════════════════════���══
     2)
       if PW1=$(whiptail --backtitle "Proxmox VE Helper Scripts [Step $STEP/$MAX_STEP]" \
         --title "ROOT PASSWORD" \
@@ -3922,9 +3922,9 @@ EOF
   configure_gpu_passthrough
   configure_additional_devices
 
-  # Increase disk size for AMD ROCm compute stack (~8GB extra needed)
+  # Increase disk size for AMD ROCm runtime (~4GB extra needed)
   if [[ "${GPU_TYPE:-}" == "AMD" ]]; then
-    local rocm_extra=8
+    local rocm_extra=4
     local new_disk_size=$((PCT_DISK_SIZE + rocm_extra))
     if pct resize "$CTID" rootfs "${new_disk_size}G" >/dev/null 2>&1; then
       msg_ok "Disk resized ${PCT_DISK_SIZE}GB → ${new_disk_size}GB for ROCm"
diff --git a/misc/tools.func b/misc/tools.func
index f68c6671b..25ed53f60 100644
--- a/misc/tools.func
+++ b/misc/tools.func
@@ -4641,8 +4641,9 @@ Pin-Priority: 600
 EOF
 
   $STD apt update
-  $STD apt install -y rocm 2>/dev/null || {
-    msg_warn "ROCm meta-package install failed — trying minimal set"
+  # Install only runtime packages — full 'rocm' meta-package includes 15GB+ dev tools
+  $STD apt install -y rocm-opencl-runtime rocm-hip-runtime rocm-smi-lib 2>/dev/null || {
+    msg_warn "ROCm runtime install failed — trying minimal set"
     $STD apt install -y rocm-opencl-runtime rocm-smi-lib 2>/dev/null || msg_warn "ROCm minimal install also failed"
   }