diff --git a/annotations/AtUnitComposition.java b/annotations/AtUnitComposition.java
index e075589b..00e122da 100644
--- a/annotations/AtUnitComposition.java
+++ b/annotations/AtUnitComposition.java
@@ -18,7 +18,7 @@ public class AtUnitComposition {
   }
   public static void main(String[] args) throws Exception {
     OSExecute.command(
-     "java onjava.atunit.AtUnit AtUnitComposition.class");
+     "java -cp .. onjava.atunit.AtUnit AtUnitComposition.class");
   }
 }
 /* Output:
diff --git a/annotations/AtUnitExample1.java b/annotations/AtUnitExample1.java
index ee204d9c..295dc199 100644
--- a/annotations/AtUnitExample1.java
+++ b/annotations/AtUnitExample1.java
@@ -24,7 +24,7 @@ public class AtUnitExample1 {
   @Test boolean anotherDisappointment() { return false; }
   public static void main(String[] args) throws Exception {
     OSExecute.command(
-      "java onjava.atunit.AtUnit AtUnitExample1.class");
+      "java -cp .. onjava.atunit.AtUnit AtUnitExample1.class");
   }
 }
 /* Output:
diff --git a/annotations/AtUnitExample2.java b/annotations/AtUnitExample2.java
index 001d0425..1c5cc920 100644
--- a/annotations/AtUnitExample2.java
+++ b/annotations/AtUnitExample2.java
@@ -32,7 +32,7 @@ public class AtUnitExample2 {
   }
   public static void main(String[] args) throws Exception {
     OSExecute.command(
-      "java onjava.atunit.AtUnit AtUnitExample2.class");
+      "java -cp .. onjava.atunit.AtUnit AtUnitExample2.class");
   }
 }
 /* Output:
diff --git a/annotations/AtUnitExample3.java b/annotations/AtUnitExample3.java
index e5c73535..ee89c03b 100644
--- a/annotations/AtUnitExample3.java
+++ b/annotations/AtUnitExample3.java
@@ -27,7 +27,7 @@ public class AtUnitExample3 {
   @Test boolean m2() { return methodTwo() == 2; }
   public static void main(String[] args) throws Exception {
     OSExecute.command(
-      "java onjava.atunit.AtUnit AtUnitExample3.class");
+      "java -cp .. onjava.atunit.AtUnit AtUnitExample3.class");
   }
 }
 /* Output:
diff --git a/annotations/AtUnitExample4.java b/annotations/AtUnitExample4.java
index 71cf8684..ee9fb4a3 100644
--- a/annotations/AtUnitExample4.java
+++ b/annotations/AtUnitExample4.java
@@ -58,7 +58,7 @@ public class AtUnitExample4 {
   public static void main(String[] args) throws Exception {
     System.out.println("starting");
     OSExecute.command(
-      "java onjava.atunit.AtUnit AtUnitExample4.class");
+      "java -cp .. onjava.atunit.AtUnit AtUnitExample4.class");
   }
 }
 /* Output:
diff --git a/annotations/AtUnitExample5.java b/annotations/AtUnitExample5.java
index d3a8bbb1..96b6c724 100644
--- a/annotations/AtUnitExample5.java
+++ b/annotations/AtUnitExample5.java
@@ -42,7 +42,7 @@ public class AtUnitExample5 {
   }
   public static void main(String[] args) throws Exception {
     OSExecute.command(
-      "java onjava.atunit.AtUnit AtUnitExample5.class");
+      "java -cp .. onjava.atunit.AtUnit AtUnitExample5.class");
   }
 }
 /* Output:
diff --git a/annotations/AtUnitExternalTest.java b/annotations/AtUnitExternalTest.java
index 1b9e0b3f..f820abd1 100644
--- a/annotations/AtUnitExternalTest.java
+++ b/annotations/AtUnitExternalTest.java
@@ -14,7 +14,7 @@ public class AtUnitExternalTest extends AtUnitExample1 {
   @Test boolean _methodTwo() { return methodTwo() == 2; }
   public static void main(String[] args) throws Exception{
     OSExecute.command(
-    "java onjava.atunit.AtUnit AtUnitExternalTest.class");
+    "java -cp .. onjava.atunit.AtUnit AtUnitExternalTest.class");
   }
 }
 /* Output:
diff --git a/annotations/HashSetTest.java b/annotations/HashSetTest.java
index 4e7e6057..88decb56 100644
--- a/annotations/HashSetTest.java
+++ b/annotations/HashSetTest.java
@@ -23,7 +23,7 @@ public class HashSetTest {
   }
   public static void main(String[] args) throws Exception {
     OSExecute.command(
-      "java onjava.atunit.AtUnit HashSetTest.class");
+      "java -cp .. onjava.atunit.AtUnit HashSetTest.class");
   }
 }
 /* Output:
diff --git a/annotations/StackLStringTest.java b/annotations/StackLStringTest.java
index ec656a6b..7fc64faa 100644
--- a/annotations/StackLStringTest.java
+++ b/annotations/StackLStringTest.java
@@ -28,7 +28,7 @@ public class StackLStringTest extends StackL<String> {
   }
   public static void main(String[] args) throws Exception {
     OSExecute.command(
-      "java onjava.atunit.AtUnit StackLStringTest.class");
+      "java -cp .. onjava.atunit.AtUnit StackLStringTest.class");
   }
 }
 /* Output: