diff --git a/src/cairo-arc.c b/src/cairo-arc.c
index 56d42f19e..1b2713f39 100644
--- a/src/cairo-arc.c
+++ b/src/cairo-arc.c
@@ -231,6 +231,10 @@ _cairo_arc_in_direction (cairo_t	  *cr,
 				angle,
 				angle + angle_step);
 	}
+    } else {
+	cairo_line_to (cr,
+		       xc + radius * cos (angle_min),
+		       yc + radius * sin (angle_min));
     }
 }
 
diff --git a/src/cairo.c b/src/cairo.c
index 157f898f4..5117f8a97 100644
--- a/src/cairo.c
+++ b/src/cairo.c
@@ -1852,6 +1852,7 @@ cairo_arc (cairo_t *cr,
 
     /* Do nothing, successfully, if radius is <= 0 */
     if (radius <= 0.0) {
+	cairo_line_to (cr, xc, yc); /* might become a move_to */
 	cairo_line_to (cr, xc, yc);
 	return;
     }