diff --git a/include/PR/gu.h b/include/PR/gu.h
index 7744bdf92..3b5518c7b 100644
--- a/include/PR/gu.h
+++ b/include/PR/gu.h
@@ -35,7 +35,7 @@
 #define OS_M_PI		3.14159265358979323846
 #define M_DTOR		(3.14159265358979323846/180.0)
 
-#define	FTOFIX32(x)	(long)((x) * (float)0x00010000)
+#define	FTOFIX32(x)	(int)((x) * (float)0x00010000)
 #define	FIX32TOF(x)	((float)(x) * (1.0f / (float)0x00010000))
 #define	FTOFRAC8(x)	((int) MIN(((x) * (128.0f)), 127.0f) & 0xff)