diff --git a/openrtx/src/core/openrtx.c b/openrtx/src/core/openrtx.c
index 394fcb2a..b842eccb 100644
--- a/openrtx/src/core/openrtx.c
+++ b/openrtx/src/core/openrtx.c
@@ -27,6 +27,9 @@
 #include <openrtx.h>
 #include <threads.h>
 #include <ui.h>
+#ifdef PLATFORM_LINUX
+#include <stdlib.h>
+#endif
 
 extern void *dev_task(void *arg);
 
diff --git a/openrtx/src/ui/ui.c b/openrtx/src/ui/ui.c
index 45a60b31..bf40e955 100644
--- a/openrtx/src/ui/ui.c
+++ b/openrtx/src/ui/ui.c
@@ -66,6 +66,7 @@
 #include <ui.h>
 #include <rtx.h>
 #include <interfaces/platform.h>
+#include <interfaces/display.h>
 #include <interfaces/cps_io.h>
 #include <interfaces/nvmem.h>
 #ifdef GPS_PRESENT