diff --git a/agent/structs/config_entry_routes.go b/agent/structs/config_entry_routes.go
index 801e22f18cbe..1235723f89f2 100644
--- a/agent/structs/config_entry_routes.go
+++ b/agent/structs/config_entry_routes.go
@@ -100,7 +100,9 @@ func (e *HTTPRouteConfigEntry) Normalize() error {
 
 func normalizeHTTPService(service HTTPService) HTTPService {
 	service.EnterpriseMeta.Normalize()
-
+	if service.Weight <= 0 {
+		service.Weight = 1
+	}
 	return service
 }
 
diff --git a/agent/structs/config_entry_routes_test.go b/agent/structs/config_entry_routes_test.go
index 83ab8c4d79e0..37c20390a311 100644
--- a/agent/structs/config_entry_routes_test.go
+++ b/agent/structs/config_entry_routes_test.go
@@ -262,6 +262,28 @@ func TestHTTPRoute(t *testing.T) {
 				}},
 			},
 		},
+		"rule normalizes service weight": {
+			entry: &HTTPRouteConfigEntry{
+				Kind: HTTPRoute,
+				Name: "route-one",
+				Rules: []HTTPRouteRule{{
+					Services: []HTTPService{
+						{
+							Name:   "test",
+							Weight: 0,
+						},
+						{
+							Name:   "test2",
+							Weight: -1,
+						}},
+				}},
+			},
+			check: func(t *testing.T, entry ConfigEntry) {
+				route := entry.(*HTTPRouteConfigEntry)
+				require.Equal(t, 1, route.Rules[0].Services[0].Weight)
+				require.Equal(t, 1, route.Rules[0].Services[1].Weight)
+			},
+		},
 	}
 	testConfigEntryNormalizeAndValidate(t, cases)
 }