diff --git a/zellij.sh b/zellij.sh
index bd5ab5e..8de63c8 100644
--- a/zellij.sh
+++ b/zellij.sh
@@ -25,7 +25,23 @@ generic() {
   echo "🔍 Checking latest release of $REPO..."
   latest_release=$(curl -s "https://api.github.com/repos/$REPO/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
   latest_version=${latest_release#v} # Remove 'v' prefix (e.g., v0.42.2 → 0.42.2)
-  download_url="https://github.com/$REPO/releases/download/$latest_release/$BINARY_NAME-x86_64-unknown-linux-musl.tar.gz"
+
+  # Detect system architecture
+  ARCH=$(uname -m)
+  case "$ARCH" in
+  x86_64)
+    ARCH="x86_64"
+    ;;
+  aarch64 | arm64)
+    ARCH="aarch64"
+    ;;
+  *)
+    echo "❌ Unsupported architecture: $ARCH" >&2
+    exit 1
+    ;;
+  esac
+
+  download_url="https://github.com/$REPO/releases/download/$latest_release/$BINARY_NAME-$ARCH-unknown-linux-musl.tar.gz"
 
   # Skip if already up-to-date
   if [[ "$current_version" == "$latest_version" ]]; then
@@ -34,7 +50,7 @@ generic() {
   fi
 
   # Download and install
-  echo "⬇️  Downloading $BINARY_NAME $latest_version..."
+  echo "⬇️  Downloading $BINARY_NAME $latest_version for $ARCH..."
   curl -sL "$download_url" | tar -xz -C "$TMP_DIR"
 
   echo "🛠️  Installing to $INSTALL_DIR..."