diff --git a/src/main/java/com/mycmd/StringUtils.java b/src/main/java/com/mycmd/StringUtils.java
index fa5aa70..b4d10d8 100644
--- a/src/main/java/com/mycmd/StringUtils.java
+++ b/src/main/java/com/mycmd/StringUtils.java
@@ -3,7 +3,7 @@
 /** String helper functions for commands. */
 public class StringUtils {
   public static boolean isEmpty(String s) {
-    return s == null || s.trim().isEmpty();
+    return s == null || s.isBlank();
   }
 
   public static String join(String[] arr, int start) {