diff --git a/plugins/org.eclipse.dltk.ruby.fastdebugger/META-INF/MANIFEST.MF b/plugins/org.eclipse.dltk.ruby.fastdebugger/META-INF/MANIFEST.MF
index baf181b..c9bee6e 100644
--- a/plugins/org.eclipse.dltk.ruby.fastdebugger/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.dltk.ruby.fastdebugger/META-INF/MANIFEST.MF
@@ -11,7 +11,8 @@
  org.eclipse.debug.core,
  org.eclipse.ui,
  org.eclipse.dltk.ui,
- org.eclipse.dltk.ruby.abstractdebugger
+ org.eclipse.dltk.ruby.abstractdebugger,
+ org.eclipse.dltk.ruby.launching
 Bundle-Localization: plugin
 Eclipse-LazyStart: true
 Export-Package: org.eclipse.dltk.ruby.fastdebugger,
diff --git a/plugins/org.eclipse.dltk.ruby.fastdebugger/src/org/eclipse/dltk/ruby/fastdebugger/FastDebuggerRunner.java b/plugins/org.eclipse.dltk.ruby.fastdebugger/src/org/eclipse/dltk/ruby/fastdebugger/FastDebuggerRunner.java
index 7dedda6..b3264cf 100644
--- a/plugins/org.eclipse.dltk.ruby.fastdebugger/src/org/eclipse/dltk/ruby/fastdebugger/FastDebuggerRunner.java
+++ b/plugins/org.eclipse.dltk.ruby.fastdebugger/src/org/eclipse/dltk/ruby/fastdebugger/FastDebuggerRunner.java
@@ -8,12 +8,14 @@
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Status;
+import org.eclipse.debug.core.DebugException;
 import org.eclipse.dltk.core.PreferencesLookupDelegate;
 import org.eclipse.dltk.launching.DebuggingEngineRunner;
 import org.eclipse.dltk.launching.IInterpreterInstall;
 import org.eclipse.dltk.launching.InterpreterConfig;
 import org.eclipse.dltk.launching.debug.DbgpInterpreterConfig;
 import org.eclipse.dltk.ruby.fastdebugger.preferences.FastDebuggerPreferenceConstants;
+import org.eclipse.dltk.ruby.internal.launching.RubyGenericInstallType;
 
 public class FastDebuggerRunner extends DebuggingEngineRunner {
 	public static final String ENGINE_ID = "org.eclipse.dltk.ruby.fastdebugger";
@@ -63,6 +65,11 @@
 
 	protected InterpreterConfig addEngineConfig(InterpreterConfig config,
 			PreferencesLookupDelegate delegate) throws CoreException {
+		if (!(getInstall().getInterpreterInstallType() instanceof RubyGenericInstallType)) {
+			throw new DebugException(
+					new Status(IStatus.ERROR, FastDebuggerPlugin.PLUGIN_ID,
+							"Fast debugger can be runned only with Generic Ruby interpreter"));
+		}
 		// Get debugger source location
 		final IPath sourceLocation = deploy();