diff --git a/Examples/test-suite/common.mk b/Examples/test-suite/common.mk
index a6747a0807c..1658e509be7 100644
--- a/Examples/test-suite/common.mk
+++ b/Examples/test-suite/common.mk
@@ -308,6 +308,7 @@ CPP_TEST_CASES += \
 	nested_class \
 	nested_directors \
 	nested_comment \
+	nested_ignore \
 	nested_scope \
 	nested_template_base \
 	nested_workaround \
diff --git a/Examples/test-suite/nested_ignore.i b/Examples/test-suite/nested_ignore.i
new file mode 100644
index 00000000000..e271eca7dd1
--- /dev/null
+++ b/Examples/test-suite/nested_ignore.i
@@ -0,0 +1,24 @@
+%module nested_ignore
+%warnfilter(SWIGWARN_PARSE_NAMED_NESTED_CLASS) B::C::D;
+
+%rename($ignore) B::C;
+
+%inline %{
+namespace B {
+    class C {
+    public:
+        struct D {
+        };
+    };
+
+    class E {
+    public:
+        typedef C::D D;
+    };
+
+    struct F
+    {
+        const E::D foo(){ return E::D(); }
+    };
+}
+%}
diff --git a/Source/Modules/csharp.cxx b/Source/Modules/csharp.cxx
index 12a502586a6..01fd5435bd6 100644
--- a/Source/Modules/csharp.cxx
+++ b/Source/Modules/csharp.cxx
@@ -188,8 +188,12 @@ class CSHARP:public Language {
 	   String *symname = Copy(Getattr(n, "sym:name"));
 	   if (symname && !GetFlag(n, "feature:flatnested")) {
 	     for (Node *outer_class = Getattr(n, "nested:outer"); outer_class; outer_class = Getattr(outer_class, "nested:outer")) {
-	       Push(symname, ".");
-	       Push(symname, Getattr(outer_class, "sym:name"));
+               if (String* name = Getattr(outer_class, "sym:name")) {
+                 Push(symname, ".");
+                 Push(symname, name);
+               }
+               else
+                 return NULL;
 	     }
 	   }
 	   if (nspace) {
diff --git a/Source/Modules/java.cxx b/Source/Modules/java.cxx
index b7a5ebbfe7c..eb809ff59c3 100644
--- a/Source/Modules/java.cxx
+++ b/Source/Modules/java.cxx
@@ -210,10 +210,14 @@ class JAVA:public Language {
 	   String *nspace = Getattr(n, "sym:nspace");
 	   String *symname = Copy(Getattr(n, "sym:name"));
 	   if (symname && !GetFlag(n, "feature:flatnested")) {
-	     for (Node *outer_class = Getattr(n, "nested:outer"); outer_class; outer_class = Getattr(outer_class, "nested:outer")) {
-	       Push(symname, jnidescriptor ? "$" : ".");
-	       Push(symname, Getattr(outer_class, "sym:name"));
-	     }
+             for (Node *outer_class = Getattr(n, "nested:outer"); outer_class; outer_class = Getattr(outer_class, "nested:outer")) {
+               if (String* name = Getattr(outer_class, "sym:name")) {
+                 Push(symname, jnidescriptor ? "$" : ".");
+                 Push(symname, name);
+               }
+               else
+                 return NULL;
+             }
 	   }
 	   if (nspace) {
 	     if (package && !jnidescriptor)