diff --git a/.rc.d/fortune.sh b/.rc.d/fortune.sh
index 476cd09..2c63284 100755
--- a/.rc.d/fortune.sh
+++ b/.rc.d/fortune.sh
@@ -1,7 +1,37 @@
-if [ -f "/opt/homebrew/bin/fortune" ]; then
-    if [ -f "/opt/homebrew/bin/cowsay" ]; then
-        /opt/homebrew/bin/fortune | /opt/homebrew/bin/cowsay
-    else
-        /opt/homebrew/bin/fortune
-    fi
+# Display fortune (with cowsay if available) in interactive shells
+case $- in
+    *i*) ;;
+    *) return 0 2>/dev/null || exit 0 ;;
+esac
+
+_fortune_cmd=""
+if command -v fortune >/dev/null 2>&1; then
+    _fortune_cmd="fortune"
+elif [ -x "/opt/homebrew/bin/fortune" ]; then
+    _fortune_cmd="/opt/homebrew/bin/fortune"
+elif [ -x "/usr/games/fortune" ]; then
+    _fortune_cmd="/usr/games/fortune"
+elif [ -x "/usr/local/bin/fortune" ]; then
+    _fortune_cmd="/usr/local/bin/fortune"
 fi
+
+if [ -n "$_fortune_cmd" ]; then
+    _cowsay_cmd=""
+    if command -v cowsay >/dev/null 2>&1; then
+        _cowsay_cmd="cowsay"
+    elif [ -x "/opt/homebrew/bin/cowsay" ]; then
+        _cowsay_cmd="/opt/homebrew/bin/cowsay"
+    elif [ -x "/usr/games/cowsay" ]; then
+        _cowsay_cmd="/usr/games/cowsay"
+    elif [ -x "/usr/local/bin/cowsay" ]; then
+        _cowsay_cmd="/usr/local/bin/cowsay"
+    fi
+
+    if [ -n "$_cowsay_cmd" ]; then
+        "$_fortune_cmd" | "$_cowsay_cmd"
+    else
+        "$_fortune_cmd"
+    fi
+    unset _cowsay_cmd
+fi
+unset _fortune_cmd