diff --git a/apps/fastfetch.nix b/apps/fastfetch.nix
index 2ac149c..3a3ba2f 100644
--- a/apps/fastfetch.nix
+++ b/apps/fastfetch.nix
@@ -78,6 +78,7 @@
     FG_CYAN="\001$(echo -e '\033[38;5;37m')\002"
     FG_BLUE="\001$(echo -e '\033[38;5;33m')\002"
     FG_PURPLE="\001$(echo -e '\033[38;5;98m')\002"
+    FG_YELLOW="\001$(echo -e '\033[38;5;220m')\002"
     FG_GRAY="\001$(echo -e '\033[38;5;245m')\002"
     RESET="\001$(echo -e '\033[0m')\002"
     
@@ -85,6 +86,11 @@
     build_path_prompt() {
       local output=""
       
+      # Check if in nix-shell and show indicator
+      if [ -n "''${IN_NIX_SHELL}" ]; then
+        output+="''${FG_YELLOW}[nix-shell]''${RESET} "
+      fi
+      
       # Username in orange
       output+="''${FG_ORANGE}\u''${RESET} "