diff --git a/Dockerfile b/Dockerfile
index 2eb9228..f24e061 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,6 @@ RUN mkdir /usr/share/blog
 
 COPY site/ /usr/share/blog
 
-RUN /usr/share/blog/build/build.sh
+RUN /usr/share/blog/build/build.sh /usr/share/blog/data/signatures/signatures.json
 RUN cp -a /usr/share/blog/public/* /var/www/html
 
diff --git a/site/static/cgi/sign.php b/site/static/cgi/sign.php
index 5d1c48c..b1a8740 100644
--- a/site/static/cgi/sign.php
+++ b/site/static/cgi/sign.php
@@ -4,9 +4,9 @@ $timer_start = microtime(true);  // Start counter for PHP execution time trackin
 $codemod = 2138367;   // modificator with which the confirmation ID will be obfuscated
 $output = "";
 $selfurl = "http://pmpc.mehl.mx/cgi/sign.php";  // absolute URL of this PHP script
-$db = "../../signatures.json";  // Signature database path
-$ipdb = "../../ips.json";  // IP database path
-$spamdb = "../../spammer_" . date('Y-m-d') . ".json";  // This day's potential spammer database
+$db = "/usr/share/blog/data/signatures/signatures.json";  // Signature database path
+$ipdb = "/usr/share/blog/data/signatures/ips.json";  // IP database path
+$spamdb = "/usr/share/blog/data/signatures/spammer_" . date('Y-m-d') . ".json";  // This day's potential spammer database
 
 ///////////////////
 /// SPAM CHECKS ///