diff --git a/index.js b/index.js
index 1fb005c..fa5770c 100644
--- a/index.js
+++ b/index.js
@@ -2083,12 +2083,12 @@ function processCommandLines(action, command, commandlines) {
         }
 
         if (command === "blocks") {
-            if (arg[0] === "*" && arg[arg.length - 1] !== "*") {
+            if (arg[0] !== "*" && arg[arg.length - 1] === "*") {
                 addQueryLines(command, prefix, "arg_blockcontent_startswith", arg.substring(1));
                 continue;
             }
 
-            if (arg[0] !== "*" && arg[arg.length - 1] === "*") {
+            if (arg[0] === "*" && arg[arg.length - 1] !== "*") {
                 addQueryLines(command, prefix, "arg_blockcontent_endswith", arg.substring(0, arg.length - 1));
                 continue;
             }