diff --git a/bedstead.c b/bedstead.c
index 6a791ef..200d69f 100644
--- a/bedstead.c
+++ b/bedstead.c
@@ -3702,7 +3702,7 @@ clearpath(void)
 }
 
 static void
-moveto(unsigned x, unsigned y)
+moveto(int x, int y)
 {
 	struct point *p = &points[nextpoint++];
 
@@ -3711,7 +3711,7 @@ moveto(unsigned x, unsigned y)
 }
 
 static void
-lineto(unsigned x, unsigned y)
+lineto(int x, int y)
 {
 	struct point *p = &points[nextpoint++];