diff --git a/build/cqpserver/Dockerfile b/build/cqpserver/Dockerfile
index 3730c17..bfab578 100644
--- a/build/cqpserver/Dockerfile
+++ b/build/cqpserver/Dockerfile
@@ -16,7 +16,7 @@ WORKDIR /root
 
 # Installation: IMS Open Corpus Workbench
 RUN apt-get install -y --no-install-recommends \
-    autoconf bison flex gcc make pkg-config libc6-dev libncurses5 libncurses5-dev libpcre3-dev libglib2.0-0 libglib2.0-dev libreadline7 libreadline-dev
+    autoconf bison flex gcc make pkg-config libc6-dev libncurses5 libncurses5-dev libpcre3-dev libglib2.0-0 libglib2.0-dev libreadline7 libreadline-dev \
  && wget https://sourceforge.net/projects/cwb/files/cwb/cwb-3.4-beta/cwb-3.4.22-source.tar.gz \
  && tar -xf cwb-3.4.22-source.tar.gz \
  && cd cwb-3.4.22 \