diff --git a/install.sh b/install.sh
index d80cec4..a818920 100644
--- a/install.sh
+++ b/install.sh
@@ -4,17 +4,17 @@ set -euo pipefail
 BIN_DIR="/usr/local/bin"
 SYSTEMD_DIR="/etc/systemd/system"
 
-SCRIPT_NAME="src/killsw"
-TARGET_NAME="src/killswitch.target"
+SCRIPT_NAME="killsw"
+TARGET_NAME="killswitch.target"
+SRC_DIR="src"  # relative to repo root
 
-# assume running from repo root
 REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
 # install binary
-install -m 755 "$REPO_DIR/$SCRIPT_NAME" "$BIN_DIR/$SCRIPT_NAME"
+install -m 755 "$REPO_DIR/$SRC_DIR/$SCRIPT_NAME" "$BIN_DIR/$SCRIPT_NAME"
 
 # install systemd target
-install -m 644 "$REPO_DIR/$TARGET_NAME" "$SYSTEMD_DIR/$TARGET_NAME"
+install -m 644 "$REPO_DIR/$SRC_DIR/$TARGET_NAME" "$SYSTEMD_DIR/$TARGET_NAME"
 
 # reload systemd daemon
 systemctl daemon-reload