diff --git a/debian/control b/debian/control
index 9bf0378..46e1383 100644
--- a/debian/control
+++ b/debian/control
@@ -55,6 +55,7 @@ Architecture: any
Section: libdevel
Depends: libdyssol1.0 (= ${binary:Version}),
${misc:Depends}
+Multi-Arch: same
Description: Tool for dynamic flowsheet simulation. Development files nad headers
Dynamic simulation of solids processes, is a dynamic flowsheet modelling system
designed to simulate the time-dependent behaviour of complex production
@@ -79,6 +80,7 @@ Package: dyssol-data
Architecture: all
Depends: ${misc:Depends}
Recommends: dyssol
+Multi-Arch: foreign
Description: Tool for dynamic flowsheet simulation. Data files
Dynamic simulation of solids processes, is a dynamic flowsheet modelling system
designed to simulate the time-dependent behaviour of complex production
@@ -93,6 +95,7 @@ Depends: ${sphinxdoc:Depends},
${misc:Depends},
libjs-mathjax
Recommends: dyssol
+Multi-Arch: foreign
Description: Tool for dynamic flowsheet simulation. Documentation
Dynamic simulation of solids processes, is a dynamic flowsheet modelling system
designed to simulate the time-dependent behaviour of complex production
