diff --git a/src/backend/utils/mmgr/dsa.c b/src/backend/utils/mmgr/dsa.c
index dddffcad91..1f2f825071 100644
--- a/src/backend/utils/mmgr/dsa.c
+++ b/src/backend/utils/mmgr/dsa.c
@@ -1093,9 +1093,13 @@ dsa_dump(dsa_area *area)
 		{
 			dsa_segment_index segment_index;
 
-			fprintf(stderr,
-					"    segment bin %zu (at least %d contiguous pages free):\n",
-					i, 1 << (i - 1));
+			if (i == 0)
+				fprintf(stderr,
+						"    segment bin %zu (no contiguous free pages):\n", i);
+			else
+				fprintf(stderr,
+						"    segment bin %zu (at least %d contiguous pages free):\n",
+						i, 1 << (i - 1));
 			segment_index = area->control->segment_bins[i];
 			while (segment_index != DSA_SEGMENT_INDEX_NONE)
 			{