diff --git a/scripts/config b/scripts/config
index 9afa657..07f0249 100644
--- a/scripts/config
+++ b/scripts/config
@@ -52,7 +52,8 @@ EOF
 }
 
 get__prices() {
-    local prices="$(grep "DONATION\['" "$install_dir/settings.py" | sed -r "s@^DONATION\['([^']*)'\]\['([^']*)'\] = '([^']*)'@\1/\2/\3@g" | sed -z 's/\n/,/g;s/,$/\n/')"
+    local prices
+    prices="$(grep "DONATION\['" "$install_dir/settings.py" | sed -r "s@^DONATION\['([^']*)'\]\['([^']*)'\] = '([^']*)'@\1/\2/\3@g" | sed -z 's/\n/,/g;s/,$/\n/')"
     if [ "$prices" == "," ];
     then
         # Return YNH_NULL if you prefer to not return a value at all.