diff --git a/src/db/db_access.h b/src/db/db_access.h
index 99ba20fde..b78d82f94 100644
--- a/src/db/db_access.h
+++ b/src/db/db_access.h
@@ -88,6 +88,10 @@
 #ifndef INCLdb_accessh
 #define INCLdb_accessh
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <stddef.h>
 
 #include <epicsTypes.h>
@@ -1183,4 +1187,8 @@ short db_name_to_addr();
 short db_put_field();
 short db_get_field();
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* INCLdb_accessh */