diff --git a/firmware/common/hackrf_core.h b/firmware/common/hackrf_core.h
index e0043389..35730f20 100644
--- a/firmware/common/hackrf_core.h
+++ b/firmware/common/hackrf_core.h
@@ -28,6 +28,8 @@ extern "C"
 {
 #endif
 
+#include <lpc43.h>
+
 /* hardware identification number */
 #define BOARD_ID_JELLYBEAN 0