diff --git a/core/plugins/org.eclipse.dltk.debug.ui/.project b/core/plugins/org.eclipse.dltk.debug.ui/.project
index b21431c..d76aa76 100644
--- a/core/plugins/org.eclipse.dltk.debug.ui/.project
+++ b/core/plugins/org.eclipse.dltk.debug.ui/.project
@@ -20,9 +20,15 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.api.tools.apiAnalysisBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.pde.PluginNature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.pde.api.tools.apiAnalysisNature</nature>
 	</natures>
 </projectDescription>