diff --git a/skeletons/T61String.h b/skeletons/T61String.h
index 46b12ce..f706338 100644
--- a/skeletons/T61String.h
+++ b/skeletons/T61String.h
@@ -7,8 +7,16 @@
 
 #include <OCTET_STRING.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef OCTET_STRING_t T61String_t;	/* Implemented via OCTET STRING */
 
 extern asn_TYPE_descriptor_t asn_DEF_T61String;
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif	/* _T61String_H_ */