diff --git a/claudebox.sh b/claudebox.sh
index 8f9fca2..b3165a3 100644
--- a/claudebox.sh
+++ b/claudebox.sh
@@ -1,5 +1,5 @@
 # Resolve claude binary from host PATH (before clearenv strips it)
-CLAUDE_BIN=$(command -v claude) || {
+CLAUDE_BIN=$(readlink -f "$(command -v claude)") || {
   echo "error: claude not found in PATH" >&2
   echo "Install Claude Code first: https://docs.anthropic.com/en/docs/claude-code" >&2
   exit 1
@@ -79,7 +79,7 @@ exec bwrap \
   --ro-bind /etc/hosts /etc/hosts \
   --ro-bind /etc/nsswitch.conf /etc/nsswitch.conf \
   --ro-bind /etc/nix /etc/nix \
-  --symlink "$(command -v env)" /usr/bin/env \
+  --symlink "$(readlink -f "$(command -v env)")" /usr/bin/env \
   --tmpfs "$HOME" \
   --bind "$HOME/.claudebox" "$HOME/.claude" \
   --ro-bind "$GITCONFIG_TMP" "$HOME/.gitconfig" \