diff --git a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/JSFCorePlugin.java b/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/JSFCorePlugin.java
index 7cc32b7..d62120c 100644
--- a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/JSFCorePlugin.java
+++ b/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/JSFCorePlugin.java
@@ -163,6 +163,7 @@
 				JSFLibrary defLib = jsfLibraryRegistry.getDefaultImplementation();
 				if (defLib == null && jsfLibraryRegistry.getImplJSFLibraries().size() > 0){
 					jsfLibraryRegistry.setDefaultImplementation((JSFLibrary)jsfLibraryRegistry.getImplJSFLibraries().get(0));
+					saveJSFLibraryRegistry();
 				}
 				jsfLibraryRegistry.eAdapters().add(MaintainDefaultImplementationAdapter.getInstance());