diff --git a/src/components/map/MapDrawing.js b/src/components/map/MapDrawing.js
index 2f2da29..11c54df 100644
--- a/src/components/map/MapDrawing.js
+++ b/src/components/map/MapDrawing.js
@@ -188,6 +188,7 @@ function MapDrawing({
           closed={shape.pathType === "fill"}
           fillEnabled={shape.pathType === "fill"}
           lineCap="round"
+          lineJoin="round"
           strokeWidth={getStrokeWidth(
             shape.strokeWidth,
             gridSize,
diff --git a/src/components/map/MapFog.js b/src/components/map/MapFog.js
index ad2e1da..96bc1df 100644
--- a/src/components/map/MapFog.js
+++ b/src/components/map/MapFog.js
@@ -316,6 +316,7 @@ function MapFog({
         fill={colors[shape.color] || shape.color}
         closed
         lineCap="round"
+        lineJoin="round"
         strokeWidth={getStrokeWidth(
           shape.strokeWidth,
           gridSize,