diff --git a/.editorconfig b/.editorconfig
index 802817e2..b4b89fc0 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -10,7 +10,7 @@ trim_trailing_whitespace = true
 indent_style = space
 indent_size = 4
 
-[Makefile,Makefile.*]
+[Makefile,Makefile.*,rules]
 indent_style = tab
 indent_size = 8
 
diff --git a/debian/compat b/debian/compat
deleted file mode 100644
index ec635144..00000000
--- a/debian/compat
+++ /dev/null
@@ -1 +0,0 @@
-9
diff --git a/debian/control b/debian/control
index 2f4967e4..23b9ec91 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@ Section: devel
 Standards-Version: 3.6.2
 Maintainer: Adam Dickmeiss <adam@indexdata.dk>
 Priority: extra
-Build-Depends: debhelper (>= 9.0.0),
+Build-Depends: debhelper-compat (= 13),
 	pkg-config,
 	libyaz5-dev (>= 5.35.0),
 	libyazpp7-dev (>= 1.9.0),
diff --git a/debian/not-installed b/debian/not-installed
new file mode 100644
index 00000000..bc2c098f
--- /dev/null
+++ b/debian/not-installed
@@ -0,0 +1,2 @@
+usr/lib/*/*.la
+usr/lib/*/metaproxy/*
diff --git a/src/Makefile.am b/src/Makefile.am
index 5f05a8c4..2f8a87a1 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -37,7 +37,7 @@ filter_src = \
 	filter_virt_db.cpp filter_virt_db.hpp \
 	filter_z3950_client.cpp filter_z3950_client.hpp \
 	filter_zeerex_explain.cpp  filter_zeerex_explain.hpp \
-        filter_sru_to_z3950.cpp  filter_sru_to_z3950.hpp \
+	filter_sru_to_z3950.cpp  filter_sru_to_z3950.hpp \
 	filter_zoom.cpp filter_zoom.hpp
 
 lib_LTLIBRARIES = libmetaproxy.la