diff --git a/Dockerfile b/Dockerfile
index a190cdc..a7f826a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -36,6 +36,7 @@ RUN echo "**** setup environment ****" && \
     echo "**** configure Qt ****" && \
     mkdir build-qt && cd build-qt && \
     /workspace/qt-everywhere/configure \
+        -prefix /usr/local \
         -opensource \
         -confirm-license \
         -release \