diff --git a/Source/Modules/csharp.cxx b/Source/Modules/csharp.cxx
index 9193cd34b..831545c93 100644
--- a/Source/Modules/csharp.cxx
+++ b/Source/Modules/csharp.cxx
@@ -2044,7 +2044,7 @@ public:
 	Printf(dcast_wrap->code, "  Swig::Director *director = (Swig::Director *) 0;\n");
 	Printf(dcast_wrap->code, "  jobject jresult = (jobject) 0;\n");
 	Printf(dcast_wrap->code, "  %s *obj = *((%s **)&jCPtrBase);\n", norm_name, norm_name);
-	Printf(dcast_wrap->code, "  if (obj) director = dynamic_cast<Swig::Director *>(obj);\n");
+	Printf(dcast_wrap->code, "  if (obj) director = static_cast<Swig::Director *>(obj);\n");
 	Printf(dcast_wrap->code, "  if (director) jresult = director->swig_get_self(jenv);\n");
 	Printf(dcast_wrap->code, "  return jresult;\n");
 	Printf(dcast_wrap->code, "}\n");
@@ -3473,11 +3473,11 @@ public:
       Printf(code_wrap->code, "  %s *obj = (%s *)objarg;\n", smartptr, smartptr);
       Printf(code_wrap->code, "  // Keep a local instance of the smart pointer around while we are using the raw pointer\n");
       Printf(code_wrap->code, "  // Avoids using smart pointer specific API.\n");
-      Printf(code_wrap->code, "  %s *director = dynamic_cast<%s *>(obj->operator->());\n", dirClassName, dirClassName);
+      Printf(code_wrap->code, "  %s *director = static_cast<%s *>(obj->operator->());\n", dirClassName, dirClassName);
     }
     else {
       Printf(code_wrap->code, "  %s *obj = (%s *)objarg;\n", norm_name, norm_name);
-      Printf(code_wrap->code, "  %s *director = dynamic_cast<%s *>(obj);\n", dirClassName, dirClassName);
+      Printf(code_wrap->code, "  %s *director = static_cast<%s *>(obj);\n", dirClassName, dirClassName);
     }
 
     // TODO: if statement not needed?? - Java too