diff --git a/README.md b/README.md
index ca97819..d270603 100644
--- a/README.md
+++ b/README.md
@@ -83,8 +83,6 @@ You need to have docker installed.
 
 Change into the cloned directory and:
 
-- `git submodule init`
-- `git submodule update`
 - `./configure-static`
 - `./build-static`
 
diff --git a/build-static b/build-static
index 36c7187..58ff0c5 100755
--- a/build-static
+++ b/build-static
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-docker run --rm -it -v $(pwd):/app fffaraz/qt:static /bin/bash -c "cd /app/libgit && git submodule init && git submodule update && mkdir -p build && cd build && cmake -DBUILD_SHARED_LIBS=OFF -DBUILD_CLAR=OFF .. && cmake --build . && cd /app && qmake pwa-to-twa.pro && make"
+docker run --rm -it -v $(pwd):/app rikudousage/qt-static:16.04 -c "cd /app/libgit && git submodule init && git submodule update && mkdir -p build && cd build && cmake -DBUILD_SHARED_LIBS=OFF -DBUILD_CLAR=OFF .. && cmake --build . && cd /app && qmake pwa-to-twa.pro && make"