diff --git a/Dockerfile b/Dockerfile
index ed09bb6e1f2ebef372418f1dde573e202683558a..40d2849b8cf3f21f75f7c8166fe0343438ae0d69 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,6 +26,7 @@ RUN apk add --no-cache ca-certificates && \
     cd .. && rm -rf logging-log4cxx && \
 
     wget http://pqxx.org/download/software/libpqxx/libpqxx-4.0.1.tar.gz && \
+    tar xft libpqxx-*.tar.gz && \
     cd libpqxx-* && \
     ./autogen.sh && \
     make && \