diff --git a/data/json/mapgen_palettes/stream.json b/data/json/mapgen_palettes/stream.json
index 3190d827daa1f..f23baeca485bc 100644
--- a/data/json/mapgen_palettes/stream.json
+++ b/data/json/mapgen_palettes/stream.json
@@ -35,12 +35,12 @@
     "items": {
       "1": [
         { "item": "trash", "chance": 5, "repeat": 2 },
-        { "item": "creek_bed", "chance": 50, "repeat": 3 },
+        { "item": "creek_bed", "chance": 30, "repeat": 2 },
         { "item": "wheels", "chance": 1 }
       ],
       "2": [
-        { "item": "trash", "chance": 25, "repeat": 2 },
-        { "item": "creek_bed", "chance": 40, "repeat": 5 },
+        { "item": "trash", "chance": 3, "repeat": 2 },
+        { "item": "creek_bed", "chance": 15, "repeat": 3 },
         { "item": "wheels", "chance": 1 }
       ]
     }