diff --git a/projects/qt/Dockerfile b/projects/qt/Dockerfile
index ec7261a5d..200916a3e 100644
--- a/projects/qt/Dockerfile
+++ b/projects/qt/Dockerfile
@@ -20,7 +20,7 @@ RUN dpkg --add-architecture i386
 RUN apt-get update && apt-get install -y build-essential libc6-dev:i386
 RUN git clone --branch 5.15 --depth 1 git://code.qt.io/qt/qt5.git qt
 WORKDIR qt
-RUN perl init-repository --module-subset=qtbase
+RUN git submodule update --init --depth 1 qtbase
 WORKDIR $SRC
 RUN git clone --depth 1 git://code.qt.io/qt/qtqa.git
 RUN git clone --depth 1 https://github.com/google/AFL.git