diff --git a/procps/top.c b/procps/top.c
index 04dd82633..ec8437442 100644
--- a/procps/top.c
+++ b/procps/top.c
@@ -686,10 +686,10 @@ static int topmem_sort(char *a, char *b)
 	n = offsetof(topmem_status_t, vsz) + (sort_field * sizeof(mem_t));
 	l = *(mem_t*)(a + n);
 	r = *(mem_t*)(b + n);
-//	if (l == r) {
-//		l = a->mapped_rw;
-//		r = b->mapped_rw;
-//	}
+	if (l == r) {
+		l = ((topmem_status_t*)a)->dirty;
+		r = ((topmem_status_t*)b)->dirty;
+	}
 	/* We want to avoid unsigned->signed and truncation errors */
 	/* l>r: -1, l=r: 0, l<r: 1 */
 	n = (l > r) ? -1 : (l != r);