diff --git a/core/hw/modem/picoppp.cpp b/core/hw/modem/picoppp.cpp
index 382f26f2d..265718562 100644
--- a/core/hw/modem/picoppp.cpp
+++ b/core/hw/modem/picoppp.cpp
@@ -338,6 +338,8 @@ void stop_pico()
 
 #else
 
+#include "types.h"
+
 bool start_pico() { return false; }
 void stop_pico();
 void write_pico(u8 b);