diff --git a/engines/e_capi_err.h b/engines/e_capi_err.h
index 4c749ec43d979c10e233dd96729441cf3f477e53..efa70010381d16b2685b24d8573beb09f3f207cc 100644
--- a/engines/e_capi_err.h
+++ b/engines/e_capi_err.h
@@ -55,6 +55,10 @@
 #ifndef HEADER_CAPI_ERR_H
 #define HEADER_CAPI_ERR_H
 
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
 /* BEGIN ERROR CODES */
 /* The following lines are auto generated by the script mkerr.pl. Any changes
  * made after this point may be overwritten when the script is next run.