diff --git a/src/spicelib/devices/tra/trainit.c b/src/spicelib/devices/tra/trainit.c
index 4346fc871..8159d0b6e 100644
--- a/src/spicelib/devices/tra/trainit.c
+++ b/src/spicelib/devices/tra/trainit.c
@@ -4,6 +4,7 @@
 
 #include "traitf.h"
 #include "traext.h"
+#include "trainit.h"
 
 
 SPICEdev TRAinfo = {