diff --git a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyApplicationComponentImpl.java b/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyApplicationComponentImpl.java
index 0069f88f6..66b484c8d 100644
--- a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyApplicationComponentImpl.java
+++ b/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyApplicationComponentImpl.java
@@ -19,6 +19,6 @@ public class DummyApplicationComponentImpl implements DummyApplicationComponent
     @NotNull
     @Override
     public String getComponentName() {
-        return null;
+        return "DummyApplicationComponent";
     }
 }
diff --git a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyModuleComponentImpl.java b/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyModuleComponentImpl.java
index 9305c5acc..f0b601e9a 100644
--- a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyModuleComponentImpl.java
+++ b/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyModuleComponentImpl.java
@@ -34,6 +34,6 @@ public class DummyModuleComponentImpl implements DummyModuleComponent {
     @NotNull
     @Override
     public String getComponentName() {
-        return null;
+        return "DummyModuleComponent";
     }
 }
diff --git a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyProjectComponentImpl.java b/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyProjectComponentImpl.java
index 488509e3c..84f7f2272 100644
--- a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyProjectComponentImpl.java
+++ b/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyProjectComponentImpl.java
@@ -29,6 +29,6 @@ public class DummyProjectComponentImpl implements DummyProjectComponent {
     @NotNull
     @Override
     public String getComponentName() {
-        return null;
+        return "DummyProjectComponent";
     }
 }