diff --git a/attn/attn_handler.cpp b/attn/attn_handler.cpp
index 718828a..67390d8 100644
--- a/attn/attn_handler.cpp
+++ b/attn/attn_handler.cpp
@@ -4,6 +4,8 @@
 #include <libpdbg_sbe.h>
 }
 
+#include <config.h>
+
 #ifdef CONFIG_PHAL_API
 #include <libphal.H>
 #endif