diff --git a/web-base/Dockerfile b/web-base/Dockerfile
index 77a0079..db4f12f 100644
--- a/web-base/Dockerfile
+++ b/web-base/Dockerfile
@@ -18,7 +18,7 @@ RUN yum update -y \
     && echo 'Downloading Tomcat...' \
     && wget -q -O tomcat.tar.gz "$TOMCAT_TGZ_URL" \
     && echo "e0c8b5f2c5ac4bea302d50101cac46b57947a920 tomcat.tar.gz" | sha1sum -c - \
-    && tar -zxf tomcat.tar.gz -d /opt \    
+    && tar -zxf tomcat.tar.gz -C /opt \    
     && rm tomcat.tar.gz \
     && find /opt/apache-tomcat-$TOMCAT_VERSION/bin/ -name "*.sh" -exec chmod a+x {} \; \
     \