diff --git a/src/runtime/hashmap.go b/src/runtime/hashmap.go
index d9e5d96207..87d0d26cfa 100644
--- a/src/runtime/hashmap.go
+++ b/src/runtime/hashmap.go
@@ -542,7 +542,7 @@ func mapassign(t *maptype, h *hmap, key unsafe.Pointer) unsafe.Pointer {
 	h.flags |= hashWriting
 
 	if h.buckets == nil {
-		h.buckets = newarray(t.bucket, 1)
+		h.buckets = newobject(t.bucket) // newarray(t.bucket, 1)
 	}
 
 again:
diff --git a/src/runtime/hashmap_fast.go b/src/runtime/hashmap_fast.go
index 18ceee46d8..e7a719d63f 100644
--- a/src/runtime/hashmap_fast.go
+++ b/src/runtime/hashmap_fast.go
@@ -426,7 +426,7 @@ func mapassign_fast32(t *maptype, h *hmap, key uint32) unsafe.Pointer {
 	h.flags |= hashWriting
 
 	if h.buckets == nil {
-		h.buckets = newarray(t.bucket, 1)
+		h.buckets = newobject(t.bucket) // newarray(t.bucket, 1)
 	}
 
 again:
@@ -514,7 +514,7 @@ func mapassign_fast64(t *maptype, h *hmap, key uint64) unsafe.Pointer {
 	h.flags |= hashWriting
 
 	if h.buckets == nil {
-		h.buckets = newarray(t.bucket, 1)
+		h.buckets = newobject(t.bucket) // newarray(t.bucket, 1)
 	}
 
 again:
@@ -603,7 +603,7 @@ func mapassign_faststr(t *maptype, h *hmap, ky string) unsafe.Pointer {
 	h.flags |= hashWriting
 
 	if h.buckets == nil {
-		h.buckets = newarray(t.bucket, 1)
+		h.buckets = newobject(t.bucket) // newarray(t.bucket, 1)
 	}
 
 again: