diff --git a/assets/icon-round.png b/assets/icon-round.png
new file mode 100644
index 0000000..d895fdb
Binary files /dev/null and b/assets/icon-round.png differ
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 2237a90..fe8278d 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -70,7 +70,7 @@ RUN rm -rf android/app/src/main/res/mipmap-anydpi-v26 && \
     for d in mdpi:48 hdpi:72 xhdpi:96 xxhdpi:144 xxxhdpi:192; do \
       dest=android/app/src/main/res/mipmap-${d%:*}; \
       convert assets/icon-only.png -resize ${d#*:}x${d#*:} $dest/ic_launcher.png; \
-      cp $dest/ic_launcher.png $dest/ic_launcher_round.png; \
+      convert assets/icon-round.png -resize ${d#*:}x${d#*:} $dest/ic_launcher_round.png; \
     done
 
 # Fix kotlin-stdlib duplicate class conflict (stdlib 1.8+ already includes jdk7/jdk8)