diff --git a/.github/patches/postage_api.patch b/.github/patches/postage_api.patch
index 6d85af4ae66..fac356e9721 100644
--- a/.github/patches/postage_api.patch
+++ b/.github/patches/postage_api.patch
@@ -1,4 +1,4 @@
 80c80
-< 		Depth  uint8    `map:"depth" validate:"required,min=24"`
+< 		Depth  uint8    `map:"depth" validate:"required,min=17"`
 ---
 > 		Depth  uint8    `map:"depth" validate:"required"`
diff --git a/pkg/api/postage.go b/pkg/api/postage.go
index c9c97b98bf3..c66857ee02d 100644
--- a/pkg/api/postage.go
+++ b/pkg/api/postage.go
@@ -77,7 +77,7 @@ func (s *Service) postageCreateHandler(w http.ResponseWriter, r *http.Request) {
 
 	paths := struct {
 		Amount *big.Int `map:"amount" validate:"required"`
-		Depth  uint8    `map:"depth" validate:"required,min=24"`
+		Depth  uint8    `map:"depth" validate:"required,min=17"`
 	}{}
 	if response := s.mapStructure(mux.Vars(r), &paths); response != nil {
 		response("invalid path params", logger, w)
diff --git a/pkg/api/postage_test.go b/pkg/api/postage_test.go
index 5f35c73fe45..61511b3fdd4 100644
--- a/pkg/api/postage_test.go
+++ b/pkg/api/postage_test.go
@@ -143,7 +143,7 @@ func TestPostageCreateStamp(t *testing.T) {
 				Reasons: []jsonhttp.Reason{
 					{
 						Field: "depth",
-						Error: "want min:24",
+						Error: "want min:17",
 					},
 				},
 			}),