diff --git a/xcursor/xcursor.c b/xcursor/xcursor.c
index 5c4538a2..4415a659 100644
--- a/xcursor/xcursor.c
+++ b/xcursor/xcursor.c
@@ -301,7 +301,7 @@ _XcursorFileHeaderDestroy (XcursorFileHeader *fileHeader)
 }
 
 static XcursorFileHeader *
-_XcursorFileHeaderCreate (int ntoc)
+_XcursorFileHeaderCreate (XcursorUInt ntoc)
 {
     XcursorFileHeader	*fileHeader;