diff --git a/cyfrinup/install b/cyfrinup/install
index b257974e..051f83de 100755
--- a/cyfrinup/install
+++ b/cyfrinup/install
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -e
+set -eo pipefail
 
 # -----------------------------------------------------------
 # Forked from Foundry.
@@ -32,7 +32,8 @@ banner
 
 echo Installing cyfrinup...
 
-CYFRIN_DIR="$HOME/.cyfrin"
+BASE_DIR="${XDG_CONFIG_HOME:-$HOME}"
+CYFRIN_DIR="${CYFRIN_DIR:-"$BASE_DIR/.cyfrin"}"
 CYFRIN_BIN_DIR="$CYFRIN_DIR/bin"
 
 CYFRINUP_URL="https://raw.githubusercontent.com/Cyfrin/aderyn/master/cyfrinup/cyfrinup"
@@ -57,6 +58,10 @@ case $SHELL in
     PROFILE=$HOME/.config/fish/config.fish
     PREF_SHELL=fish
     ;;
+*/ash)
+    PROFILE=$HOME/.profile
+    PREF_SHELL=ash
+    ;;
 *)
     echo "cyfrinup: could not detect shell, manually add ${CYFRIN_BIN_DIR} to your PATH."
     exit 1
@@ -65,8 +70,15 @@ esac
 # Only add cyfrinup if it isn't already in PATH.
 if [[ ":$PATH:" != *":${CYFRIN_BIN_DIR}:"* ]]; then
     # Add the cyfrinup directory to the path and ensure the old PATH variables remain.
-    echo >> $PROFILE && echo "export PATH=\"\$PATH:$CYFRIN_BIN_DIR\"" >> $PROFILE
+    if [[ "$PREF_SHELL" == "fish" ]]; then
+        echo >> "$PROFILE" && echo "fish_add_path -a $CYFRIN_BIN_DIR" >> "$PROFILE"
+    else
+        echo >> "$PROFILE" && echo "export PATH=\"\$PATH:$CYFRIN_BIN_DIR\"" >> "$PROFILE"
+    fi
 fi
 
+# Export the PATH directly in the current session
+export PATH="$PATH:$CYFRIN_BIN_DIR"
+
 echo && echo "Detected your preferred shell is ${PREF_SHELL} and added cyfrinup to PATH. Run 'source ${PROFILE}' or start a new terminal session to use cyfrin."
 echo "Then, simply run 'cyfrinup' to install Cyfrin tool suite"
\ No newline at end of file