diff --git a/lch b/lch
index db41afc..e5057e3 100755
--- a/lch
+++ b/lch
@@ -133,22 +133,17 @@ function check()
 
 function rarInstall(){
     if [ $(uname -m) -eq "x86_64" ]; then
-        wget https://www.rarlab.com/rar/rarlinux-x64-5.9.1.tar.gz
-        tar -zxvf rarlinux-x64-5.9.1.tar.gz
-        cd rar
-        sudo cp -v rar unrar /usr/local/bin/
-        cd ..
-        rm -r rar rarlinux-x64-5.9.1.tar.gz
-	    echo "rar/unrar installed."
+        RAR_URL = "https://www.rarlab.com/rar/rarlinux-x64-5.9.1.tar.gz"
     else
-    	wget https://www.rarlab.com/rar/rarlinux-5.9.1.tar.gz
-        tar -zxvf rarlinux-x64-5.9.1.tar.gz
-        cd rar
-        sudo cp -v rar unrar /usr/local/bin/
-        cd ..
-        rm -r rar rarlinux-5.9.1.tar.gz
-        echo "rar/unrar installed."
+        RAR_URL = "https://www.rarlab.com/rar/rarlinux-5.9.1.tar.gz"
     fi
+    wget $RAR_URL 
+    tar -zxvf rarlinux-x64-5.9.1.tar.gz
+    cd rar
+    sudo cp -v rar unrar /usr/local/bin/
+    cd ..
+    rm -r rar rarlinux-5.9.1.tar.gz
+    echo "rar/unrar installed."
 }
 
 function install()