diff --git a/libultraship b/libultraship
index eadf676c..91ea351a 160000
--- a/libultraship
+++ b/libultraship
@@ -1 +1 @@
-Subproject commit eadf676c6c9f3ea475a5e062ae5e2ef93ba17419
+Subproject commit 91ea351a475f83a2150be85e73d52e58aa3a0b94
diff --git a/src/port/Engine.h b/src/port/Engine.h
index 01f0c952..f3cbc5b3 100644
--- a/src/port/Engine.h
+++ b/src/port/Engine.h
@@ -3,6 +3,7 @@
 #ifdef __cplusplus
 #include <vector>
 #include <Context.h>
+#include <Fast3D/gfx_pc.h>
 
 #define SAMPLES_HIGH 544
 #define SAMPLES_LOW 528