diff --git a/nav2_costmap_2d/src/costmap_2d.cpp b/nav2_costmap_2d/src/costmap_2d.cpp
index bfa29e66e3..0302801297 100644
--- a/nav2_costmap_2d/src/costmap_2d.cpp
+++ b/nav2_costmap_2d/src/costmap_2d.cpp
@@ -555,9 +555,9 @@ bool Costmap2D::saveMap(std::string file_name)
   }
 
   fprintf(fp, "P2\n%u\n%u\n%u\n", size_x_, size_y_, 0xff);
-  for (unsigned int it = 0; it < size_y_; iy++) {
+  for (unsigned int iy = 0; iy < size_y_; iy++) {
     for (unsigned int ix = 0; ix < size_x_; ix++) {
-      unsigned char cost = getCost(ix, it);
+      unsigned char cost = getCost(ix, iy);
       fprintf(fp, "%d ", cost);
     }
     fprintf(fp, "\n");