diff --git a/install/nvidia.sh b/install/nvidia.sh
index 6666562..3f1feb0 100644
--- a/install/nvidia.sh
+++ b/install/nvidia.sh
@@ -9,7 +9,8 @@
 # ==============================================================================
 
 # --- GPU Detection ---
-if [ -n "$(lspci | grep -i 'nvidia')" ]; then
+gpu_info=$(lspci | grep -i 'nvidia')
+if [ -n "$gpu_info" ]; then
   # --- Driver Selection ---
   # Turing (16xx, 20xx), Ampere (30xx), Ada (40xx), and newer recommend the open-source kernel modules
   if echo "$gpu_info" | grep -q -E "RTX [2-9][0-9]|GTX 16"; then