diff --git a/install.sh b/install.sh
index bf9cdde..fff3974 100644
--- a/install.sh
+++ b/install.sh
@@ -25,22 +25,28 @@ trap cleanup EXIT
 
 # Download URL based on OS and architecture
 BINARY_NAME="arch-cli"
-DOWNLOAD_BINARY_NAME="cli" 
+DOWNLOAD_BINARY_NAME="cli"
 
 # Map uname architecture to our release architecture names
 case "$ARCH" in
     x86_64)
         RELEASE_ARCH="x86_64-unknown-linux-gnu"
         ;;
-    aarch64)
-        RELEASE_ARCH="aarch64-apple-darwin"
+    aarch64|arm64)
+        if [ "$OS" = "darwin" ]; then
+            RELEASE_ARCH="aarch64-apple-darwin"
+        else
+            RELEASE_ARCH="aarch64-unknown-linux-gnu"
+        fi
         ;;
     *)
         echo "Unsupported architecture: $ARCH"
         exit 1
         ;;
 esac
+
 DOWNLOAD_URL="https://github.com/Arch-Network/arch-node/releases/download/${VERSION}/${DOWNLOAD_BINARY_NAME}-${RELEASE_ARCH}"
+
 echo "Downloading ${BINARY_NAME} version ${VERSION}..."
 if ! curl -sSfL "$DOWNLOAD_URL" -o "$TMP_DIR/${BINARY_NAME}"; then
     echo "Error: Failed to download binary"
@@ -65,4 +71,4 @@ if ! sudo chmod +x "$INSTALL_DIR/${BINARY_NAME}"; then
     exit 1
 fi
 
-echo "${BINARY_NAME} ${VERSION} installed successfully to ${INSTALL_DIR}"
\ No newline at end of file
+echo "${BINARY_NAME} ${VERSION} installed successfully to ${INSTALL_DIR}"