diff --git a/Dockerfile b/Dockerfile
index 3c3d014..5dc8f6f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ RUN useradd -u 1000 xrc
 
 ARG XRC_DL_URL
 
-RUN curl -fsSL ${XRC_DL_URL} -o /tmp/xrc.zip \
+RUN curl -fsSL "${XRC_DL_URL}" -o /tmp/xrc.zip \
     && mkdir /home/xrc/xrc \
     && unzip /tmp/xrc.zip -d /home/xrc/xrc \
     && rm -rf /tmp/xrc.zip \