diff --git a/skeletons/asn_codecs_prim.h b/skeletons/asn_codecs_prim.h
index 67658f4..0f683fd 100644
--- a/skeletons/asn_codecs_prim.h
+++ b/skeletons/asn_codecs_prim.h
@@ -7,6 +7,10 @@
 
 #include <asn_application.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct ASN__PRIMITIVE_TYPE_s {
 	uint8_t *buf;	/* Buffer with consecutive primitive encoding bytes */
 	int size;	/* Size of the buffer */
@@ -42,4 +46,8 @@
 	xer_primitive_body_decoder_f *prim_body_decoder
 );
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif	/* ASN_CODECS_PRIM_H */