diff --git a/nav2_costmap_2d/plugins/inflation_layer.cpp b/nav2_costmap_2d/plugins/inflation_layer.cpp
index 33d8cbc51805f1724cebf5d7945508e54978f307..0d7d82aa6bb1207faf0ec4f23bc03da143f950fa 100644
--- a/nav2_costmap_2d/plugins/inflation_layer.cpp
+++ b/nav2_costmap_2d/plugins/inflation_layer.cpp
@@ -65,6 +65,7 @@ InflationLayer::InflationLayer()
   inflate_around_unknown_(false),
   cell_inflation_radius_(0),
   cached_cell_inflation_radius_(0),
+  resolution_(0),
   cache_length_(0),
   last_min_x_(std::numeric_limits<double>::lowest()),
   last_min_y_(std::numeric_limits<double>::lowest()),