diff --git a/lch b/lch
index 6443986..0839a3f 100755
--- a/lch
+++ b/lch
@@ -135,16 +135,18 @@ function rarInstall(){
 
     if [[ $(uname -m) -eq "x86_64" ]]
     then
-        RAR_URL = "https://www.rarlab.com/rar/rarlinux-x64-5.9.1.tar.gz"
+        RAR_URL="https://www.rarlab.com/rar/rarlinux-x64-5.9.1.tar.gz"
+        RAR_FILE="rarlinux-x64-5.9.1.tar.gz"
     else
-        RAR_URL = "https://www.rarlab.com/rar/rarlinux-5.9.1.tar.gz"
+        RAR_URL="https://www.rarlab.com/rar/rarlinux-5.9.1.tar.gz"
+        RAR_FILE="rarlinux-5.9.1.tar.gz"
     fi
     wget $RAR_URL 
-    tar -zxvf rarlinux-x64-5.9.1.tar.gz
+    tar -zxvf $RAR_FILE
     cd rar
     sudo cp -v rar unrar /usr/local/bin/
     cd ..
-    rm -r rar rarlinux-5.9.1.tar.gz
+    rm -r rar $RAR_FILE
     echo "rar/unrar installed."
 }