diff --git a/WINGs/wruler.c b/WINGs/wruler.c
index f1ff8626..541b4a68 100644
--- a/WINGs/wruler.c
+++ b/WINGs/wruler.c
@@ -181,7 +181,7 @@ static void drawRulerOnPixmap(Ruler * rPtr)
 		XDrawLine(rPtr->view->screen->display, rPtr->drawBuffer,
 			  rPtr->fgGC, rPtr->margins.left + m, 23, rPtr->margins.left + m, marks[i % 8] + 23);
 		if (i != 0 && i % 8 == 0) {
-			snprintf(c, sizeof(c), "%d", ++j);
+			snprintf(c, sizeof(c), "%hu", ++j);
 			WMDrawString(rPtr->view->screen, rPtr->drawBuffer, rPtr->fg,
 				     rPtr->font, rPtr->margins.left + 2 + m, 26, c, 2);
 		}