diff --git a/debian/control b/debian/control
index 09e950d..3152624 100644
--- a/debian/control
+++ b/debian/control
@@ -11,6 +11,7 @@ Build-Depends:
 
 Package: ngcp-libtcap1
 Architecture: any
+Multi-Arch: same
 Depends:
  ${misc:Depends},
  ${shlibs:Depends},
diff --git a/debian/ngcp-libtcap-dev.install b/debian/ngcp-libtcap-dev.install
index e183cf9..146a603 100644
--- a/debian/ngcp-libtcap-dev.install
+++ b/debian/ngcp-libtcap-dev.install
@@ -1,2 +1,2 @@
 usr/include
-usr/lib/*.so
+usr/lib/*/*.so
diff --git a/debian/ngcp-libtcap1.install b/debian/ngcp-libtcap1.install
index 093956b..3de3b10 100644
--- a/debian/ngcp-libtcap1.install
+++ b/debian/ngcp-libtcap1.install
@@ -1 +1 @@
-usr/lib/*.so.*
+usr/lib/*/*.so.*
diff --git a/debian/rules b/debian/rules
index 5a414ec..c7fa821 100755
--- a/debian/rules
+++ b/debian/rules
@@ -2,7 +2,10 @@
 # Uncomment this to turn on verbose mode.
 # export DH_VERBOSE=1
 
+include /usr/share/dpkg/architecture.mk
+
 export PREFIX = /usr
+export LIBDIR = /usr/lib/$(DEB_HOST_MULTIARCH)
 
 %:
 	dh $@