diff --git a/skeletons/GeneralizedTime.h b/skeletons/GeneralizedTime.h
index 6b4c1ec..1ea06b0 100644
--- a/skeletons/GeneralizedTime.h
+++ b/skeletons/GeneralizedTime.h
@@ -7,6 +7,10 @@
 
 #include <OCTET_STRING.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef OCTET_STRING_t GeneralizedTime_t;  /* Implemented via OCTET STRING */
 
 extern asn_TYPE_descriptor_t asn_DEF_GeneralizedTime;
@@ -58,4 +62,8 @@
 GeneralizedTime_t *asn_time2GT_frac(GeneralizedTime_t *_optional_gt,
 	const struct tm *, int frac_value, int frac_digits, int force_gmt);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif	/* _GeneralizedTime_H_ */