diff --git a/debian/_base/dependencies/tqtinterface/debian/control b/debian/_base/dependencies/tqtinterface/debian/control
index 9000f3df6..4bd9ab301 100644
--- a/debian/_base/dependencies/tqtinterface/debian/control
+++ b/debian/_base/dependencies/tqtinterface/debian/control
@@ -7,6 +7,7 @@ Standards-Version: 3.8.4
 
 Package: libtqtinterface
 Architecture: any
+Multi-Arch: same
 Section: libs
 Replaces: libtqtinterface (<< 4:14.0.0~)
 Breaks: libtqtinterface (<< 4:14.0.0~)
@@ -19,6 +20,7 @@ Description: The Trinity Qt Interface Libraries
 
 Package: libtqtinterface-dev
 Architecture: all
+Multi-Arch: foreign
 Section: libs
 Replaces: libtqtinterface-dev (<< 4:14.0.0~)
 Breaks: libtqtinterface-dev (<< 4:14.0.0~)
@@ -31,6 +33,7 @@ Description: The Trinity Qt Interface Libraries (Development Files)
 
 Package: libtqtinterface-doc
 Architecture: all
+Multi-Arch: foreign
 Section: libs
 Replaces: libtqtinterface-doc (<< 4:14.0.0~)
 Breaks: libtqtinterface-doc (<< 4:14.0.0~)
@@ -43,6 +46,7 @@ Description: The Trinity Qt Interface Libraries (Debug Files)
 
 Package: libtqtinterface-dbg
 Architecture: any
+Multi-Arch: same
 Section: libs
 Replaces: libtqtinterface-dbg (<< 4:14.0.0~)
 Breaks: libtqtinterface-dbg (<< 4:14.0.0~)
diff --git a/debian/_base/dependencies/tqtinterface/debian/rules b/debian/_base/dependencies/tqtinterface/debian/rules
index 1b9c978a0..530f77b52 100755
--- a/debian/_base/dependencies/tqtinterface/debian/rules
+++ b/debian/_base/dependencies/tqtinterface/debian/rules
@@ -6,6 +6,7 @@ include debian/cdbs/debian-tde.mk
 
 version=Debian Package $(DEB_VERSION)
 DEB_OPT_FLAG += -DDEBIAN_VERSION=$(DEB_VERSION)
+DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
 
 DEB_CMAKE_EXTRA_FLAGS := \
  -DCMAKE_EXPORT_COMPILE_COMMANDS="ON" \
diff --git a/ubuntu/_base/dependencies/tqtinterface/debian/control b/ubuntu/_base/dependencies/tqtinterface/debian/control
index 9000f3df6..16aa3485a 100644
--- a/ubuntu/_base/dependencies/tqtinterface/debian/control
+++ b/ubuntu/_base/dependencies/tqtinterface/debian/control
@@ -7,6 +7,7 @@ Standards-Version: 3.8.4
 
 Package: libtqtinterface
 Architecture: any
+Multi-Arch: same
 Section: libs
 Replaces: libtqtinterface (<< 4:14.0.0~)
 Breaks: libtqtinterface (<< 4:14.0.0~)
@@ -31,6 +32,7 @@ Description: The Trinity Qt Interface Libraries (Development Files)
 
 Package: libtqtinterface-doc
 Architecture: all
+Multi-Arch: foreign
 Section: libs
 Replaces: libtqtinterface-doc (<< 4:14.0.0~)
 Breaks: libtqtinterface-doc (<< 4:14.0.0~)
@@ -43,6 +45,7 @@ Description: The Trinity Qt Interface Libraries (Debug Files)
 
 Package: libtqtinterface-dbg
 Architecture: any
+Multi-Arch: same
 Section: libs
 Replaces: libtqtinterface-dbg (<< 4:14.0.0~)
 Breaks: libtqtinterface-dbg (<< 4:14.0.0~)
diff --git a/ubuntu/_base/dependencies/tqtinterface/debian/rules b/ubuntu/_base/dependencies/tqtinterface/debian/rules
index 1b9c978a0..530f77b52 100755
--- a/ubuntu/_base/dependencies/tqtinterface/debian/rules
+++ b/ubuntu/_base/dependencies/tqtinterface/debian/rules
@@ -6,6 +6,7 @@ include debian/cdbs/debian-tde.mk
 
 version=Debian Package $(DEB_VERSION)
 DEB_OPT_FLAG += -DDEBIAN_VERSION=$(DEB_VERSION)
+DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
 
 DEB_CMAKE_EXTRA_FLAGS := \
  -DCMAKE_EXPORT_COMPILE_COMMANDS="ON" \