diff --git a/map_machine/scheme/default.yml b/map_machine/scheme/default.yml
index 90b715b..c3ac1f7 100644
--- a/map_machine/scheme/default.yml
+++ b/map_machine/scheme/default.yml
@@ -1972,6 +1972,10 @@ ways:
       fill: "#440044"
       opacity: 0.1
 
+  - tags: {waterway: river}
+    style:
+      stroke: water_color
+      stroke-width: 2.5
   - tags: {waterway: stream}
     style:
       stroke: water_color