diff --git a/debian/changelog b/debian/changelog
index 0fdc8e00..4b43309c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+debian-cd (3.1.15) UNRELEASED; urgency=medium
+
+  [ Steve McIntyre ]
+  * tools/apt-selection: pass APT::Architectures:: when calling apt;
+    otherwise if we're running on a multi-arch system apt will break
+
+ -- Steve McIntyre <93sam@debian.org>  Tue, 14 Jan 2014 17:19:22 +0100
+
 debian-cd (3.1.14) unstable; urgency=medium
 
   [ Steve McIntyre ]
diff --git a/tools/apt-selection b/tools/apt-selection
index ea8ba331..729eb626 100755
--- a/tools/apt-selection
+++ b/tools/apt-selection
@@ -34,6 +34,7 @@ options=" -q -o Dir::State::status=$APTTMP/$CODENAME-$ARCH/status \
 		  -o APT::Cache::AllVersions=0 \
 		  -o APT::Cache::ShowVersion=1 \
 		  -o APT::Architecture=$ARCH \
+		  -o APT::Architectures::=$ARCH \
 		  -o Acquire::Languages=none"
 
 sections=main