diff --git a/mi/mispans.c b/mi/mispans.c
index 53539e515..21ba4da4f 100644
--- a/mi/mispans.c
+++ b/mi/mispans.c
@@ -458,6 +458,8 @@ void miFillUniqueSpanGroup(DrawablePtr pDraw, GCPtr pGC, SpanGroup *spanGroup)
 			    }
 			    free(yspans);
 			    free(ysizes);
+			    free(newpoints);
+			    free(newwidths);
 			    miDisposeSpanGroup (spanGroup);
 			    return;
 			}