diff --git a/src/main/java/org/apache/commons/lang3/text/StrMatcher.java b/src/main/java/org/apache/commons/lang3/text/StrMatcher.java
index bada208f4..b29d4fcf4 100644
--- a/src/main/java/org/apache/commons/lang3/text/StrMatcher.java
+++ b/src/main/java/org/apache/commons/lang3/text/StrMatcher.java
@@ -19,6 +19,7 @@ package org.apache.commons.lang3.text;
 import java.util.Arrays;
 
 import org.apache.commons.lang3.ArraySorter;
+import org.apache.commons.lang3.ArrayUtils;
 import org.apache.commons.lang3.StringUtils;
 
 /**
@@ -174,7 +175,7 @@ public abstract class StrMatcher {
      * @return a new matcher for the given char[]
      */
     public static StrMatcher charSetMatcher(final char... chars) {
-        if (chars == null || chars.length == 0) {
+        if (ArrayUtils.isEmpty(chars)) {
             return NONE_MATCHER;
         }
         if (chars.length == 1) {