diff --git a/org.eclipse.xtext.ide/src/org/eclipse/xtext/ide/server/ProjectManager.xtend b/org.eclipse.xtext.ide/src/org/eclipse/xtext/ide/server/ProjectManager.xtend
index b97107271..f1823fe1b 100644
--- a/org.eclipse.xtext.ide/src/org/eclipse/xtext/ide/server/ProjectManager.xtend
+++ b/org.eclipse.xtext.ide/src/org/eclipse/xtext/ide/server/ProjectManager.xtend
@@ -115,7 +115,10 @@ class ProjectManager {
     }
     
     def Resource getResource(URI uri) {
-        resourceSet.getResource(uri, true)
+        val resource = resourceSet.getResource(uri, true)
+        // initialize
+        resource.contents
+        return resource
     }
     
     def void reportProjectIssue(String message, String code, Severity severity) {
diff --git a/org.eclipse.xtext.ide/xtend-gen/org/eclipse/xtext/ide/server/ProjectManager.java b/org.eclipse.xtext.ide/xtend-gen/org/eclipse/xtext/ide/server/ProjectManager.java
index aa328c915..870c21351 100644
--- a/org.eclipse.xtext.ide/xtend-gen/org/eclipse/xtext/ide/server/ProjectManager.java
+++ b/org.eclipse.xtext.ide/xtend-gen/org/eclipse/xtext/ide/server/ProjectManager.java
@@ -152,7 +152,9 @@ public class ProjectManager {
   }
   
   public Resource getResource(final URI uri) {
-    return this.resourceSet.getResource(uri, true);
+    final Resource resource = this.resourceSet.getResource(uri, true);
+    resource.getContents();
+    return resource;
   }
   
   public void reportProjectIssue(final String message, final String code, final Severity severity) {