diff --git a/frontend/drivers/platform_psp.c b/frontend/drivers/platform_psp.c
index 2c4f1b1f17..012f403fcd 100644
--- a/frontend/drivers/platform_psp.c
+++ b/frontend/drivers/platform_psp.c
@@ -29,6 +29,7 @@
 #include <pthread.h>
 
 #include "../../bootstrap/vita/sbrk.c"
+#include "../../bootstrap/vita/threading.c"
 
 #else
 #include <pspkernel.h>