diff --git a/Dockerfile.postgresql b/Dockerfile.postgresql
index 06ba826..8f3f1b2 100644
--- a/Dockerfile.postgresql
+++ b/Dockerfile.postgresql
@@ -1,4 +1,4 @@
-FROM postgresql
+FROM postgres
 MAINTAINER André Bauer <monotek23@gmail.com>
 
 LABEL org.label-schema.build-date="$BUILD_DATE" \
diff --git a/hooks/build b/hooks/build
index 9801363..911e07b 100755
--- a/hooks/build
+++ b/hooks/build
@@ -1,7 +1,6 @@
 #!/bin/bash
 #
 # build hook for dockerhubs autobuild feature
-# builds stable and develop images from only one branch
 #
 
 . "hooks/config"
diff --git a/hooks/config b/hooks/config
index 811149b..fe8b7ef 100644
--- a/hooks/config
+++ b/hooks/config
@@ -1,7 +1,7 @@
 #!/bin/bash
 #
-# build hooks
+# build hooks config
 #
 
-DOCKER_IMAGES="elasticsearch nginx postgresql zammad"
 DOCKER_REPO="monotek/zammad-docker-compose"
+DOCKER_IMAGES="elasticsearch nginx postgresql zammad"