diff --git a/mapgen.lua b/mapgen.lua
index 4c001a0..acd287f 100644
--- a/mapgen.lua
+++ b/mapgen.lua
@@ -103,6 +103,7 @@ function mapgen_rivers.make_chunk(minp, maxp, seed)
 				end
 				i2d = i2d-chulens.x
 			end
+			i2d = i2d+chulens.x
 		end
 
 		local pminp = {x=floor(xmin), z=floor(zmin)}