diff --git a/Dockerfile b/Dockerfile
index 01e4626..8649b5d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM quay.io/thallian/confd-env:latest
 RUN apk add --no-cache dovecot dovecot-ldap libressl ssmtp g++ openldap-dev dovecot-dev make tar 
 
 RUN mkdir /tmp/pigeonhole
-RUN wget -qO- https://pigeonhole.dovecot.org/releases/2.2/dovecot-2.2-pigeonhole-0.4.18.tar.gz.sig | tar -xz -C /tmp/pigeonhole --strip 1
+RUN wget -qO- https://pigeonhole.dovecot.org/releases/2.2/dovecot-2.2-pigeonhole-0.4.18.tar.gz | tar -xz -C /tmp/pigeonhole --strip 1
 WORKDIR /tmp/pigeonhole
 RUN ./configure --with-ldap=yes --with-dovecot=/usr/lib/dovecot
 RUN make && make install