diff --git a/checkcliargs.sh b/checkcliargs.sh
deleted file mode 100755
index 867c768..0000000
--- a/checkcliargs.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-
-MAIN="com.puppycrawl.tools.checkstyle.Main"
-TMPNEW=/tmp/checkcliargs-new
-TMPOLD=/tmp/checkcliargs-old
-
-java -cp "lib/test/*" $MAIN --help >$TMPNEW
-java -cp "examples/lib/test/*" $MAIN --help >$TMPOLD
-
-if [ "$1" == "-v" ]; then
-	code --wait --diff $TMPOLD $TMPNEW
-else
-	diff $TMPOLD $TMPNEW
-fi
-
-rm -rf $TMPNEW $TMPOLD
diff --git a/lib/bld/bld-wrapper.properties b/lib/bld/bld-wrapper.properties
index cab667f..d8197e2 100644
--- a/lib/bld/bld-wrapper.properties
+++ b/lib/bld/bld-wrapper.properties
@@ -2,6 +2,7 @@ bld.downloadExtensionJavadoc=false
 bld.downloadExtensionSources=true
 bld.extension-pmd=com.uwyn.rife2:bld-pmd:0.9.9
 bld.extension-jacoco=com.uwyn.rife2:bld-jacoco-report:0.9.5
+bld.extension-exec=com.uwyn.rife2:bld-exec:1.0.0
 bld.repositories=MAVEN_CENTRAL,MAVEN_LOCAL,RIFE2_SNAPSHOTS,RIFE2_RELEASES
 bld.downloadLocation=
 bld.sourceDirectories=
diff --git a/scripts/checkcliargs.sh b/scripts/checkcliargs.sh
new file mode 100755
index 0000000..1ed3db1
--- /dev/null
+++ b/scripts/checkcliargs.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+main="com.puppycrawl.tools.checkstyle.Main"
+new=/tmp/checkcliargs-new
+old=/tmp/checkcliargs-old
+
+java -cp "lib/test/*" $main --help >$new
+java -cp "examples/lib/test/*" $main --help >$old
+
+if [ "$1" == "-v" ]; then
+	code --wait --diff $old $new
+else
+	diff $old $new
+fi
+
+rm -rf $new $old
diff --git a/cliargs.sh b/scripts/cliargs.sh
similarity index 100%
rename from cliargs.sh
rename to scripts/cliargs.sh
diff --git a/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java b/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java
index b2f7fd9..2ef6a10 100644
--- a/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java
+++ b/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java
@@ -104,4 +104,13 @@ public class CheckstyleOperationBuild extends Project {
                 .ruleSets("config/pmd.xml")
                 .execute();
     }
+
+    @Override
+    public void test() throws Exception {
+        new ExecOperation()
+                .fromProject(this)
+                .command("scripts/cliargs.sh")
+                .execute();
+        super.test();
+    }
 }
diff --git a/src/test/java/rife/bld/extension/CheckstyleOperationTest.java b/src/test/java/rife/bld/extension/CheckstyleOperationTest.java
index f41077a..db4ec48 100644
--- a/src/test/java/rife/bld/extension/CheckstyleOperationTest.java
+++ b/src/test/java/rife/bld/extension/CheckstyleOperationTest.java
@@ -46,11 +46,11 @@ class CheckstyleOperationTest {
 
     @Test
     void checkAllParameters() throws IOException {
-        var params = Files.readAllLines(Paths.get("src", "test", "resources", "checkstyle-args.txt"));
+        var args = Files.readAllLines(Paths.get("src", "test", "resources", "checkstyle-args.txt"));
 
-        assertThat(params).isNotEmpty();
+        assertThat(args).isNotEmpty();
 
-        var args = new CheckstyleOperation()
+        var params = new CheckstyleOperation()
                 .fromProject(new Project())
                 .branchMatchingXpath("xpath")
                 .configurationFile("config")
@@ -70,9 +70,9 @@ class CheckstyleOperationTest {
                 .treeWithJavadoc(true)
                 .executeConstructProcessCommandList();
 
-        for (var p : params) {
+        for (var p : args) {
             var found = false;
-            for (var a : args) {
+            for (var a : params) {
                 if (a.startsWith(p)) {
                     found = true;
                     break;