diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownScope.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownScope.java
index 9be6ede2eb4..15dd1dd7f6f 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownScope.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownScope.java
@@ -13,6 +13,7 @@
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
+import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.dom.IName;
 import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.EScopeKind;
@@ -168,8 +169,20 @@ public class CPPUnknownScope implements ICPPScope, ICPPInternalUnknownScope {
     }
 
     public IBinding[] getBindings(IASTName name, boolean resolve, boolean prefixLookup, IIndexFileSet acceptLocalBindings, boolean checkPointOfDecl) {
-    	if (prefixLookup)
+    	if (prefixLookup) {
+    		if (binding instanceof ICPPDeferredClassInstance) {
+	    		try {
+	    			ICPPDeferredClassInstance instance = (ICPPDeferredClassInstance) binding;
+	    			IScope scope = instance.getClassTemplate().getCompositeScope();
+	    			if (scope != null) {
+	    				return scope.getBindings(name, resolve, prefixLookup, acceptLocalBindings);
+	    			}
+	    		} catch (DOMException exc) {
+	    			CCorePlugin.log(exc);
+	    		}
+    		}
     		return IBinding.EMPTY_BINDING_ARRAY;
+    	}
     	
     	return new IBinding[] {getBinding(name, resolve, acceptLocalBindings)};
 	}
diff --git a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/contentassist2/CompletionTests.java b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/contentassist2/CompletionTests.java
index a34d19654b6..6fb5236df48 100644
--- a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/contentassist2/CompletionTests.java
+++ b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/contentassist2/CompletionTests.java
@@ -1199,4 +1199,20 @@ public class CompletionTests extends AbstractContentAssistTest {
 		assertCompletionResults(fCursorOffset, expected, COMPARE_DISP_STRINGS);
 	}
 
+	//template <class type>
+	//class Queue {
+	//	TClass<type>* myQueue;
+	//public: 
+	//	Queue() {
+	//		myQueue = new TClass<type>;
+	//	}
+	//	bool isEmtpy() {
+	//		return myQueue->a/*cursor*/
+	//	}
+	//};
+	public void testContentAssistInDeferredClassInstance_Bug194592() throws Exception {
+		final String[] expected= {"add()"};
+		assertCompletionResults(fCursorOffset, expected, COMPARE_REP_STRINGS);
+	}
+
 }
\ No newline at end of file