diff --git a/debian/control.d/flavour-control.stub b/debian/control.d/flavour-control.stub
index 029d653..d644989 100644
--- a/debian/control.d/flavour-control.stub
+++ b/debian/control.d/flavour-control.stub
@@ -24,6 +24,7 @@ Architecture: ARCH
 Section: SECTION_IMAGE
 Priority: optional
 Provides: =PROVIDES=
+Conflicts:linux-backports-modules-cw-3.4-PKGVER-ABINUM-FLAVOUR, linux-backports-modules-cw-3.5-PKGVER-ABINUM-FLAVOUR, linux-backports-modules-cw-3.6-PKGVER-ABINUM-FLAVOUR
 Depends: linux-image-PKGVER-ABINUM-FLAVOUR
 Pre-Depends: dpkg (>= 1.10.24)
 Description: compat-wireless Linux modules for version PKGVER on DESC
@@ -39,6 +40,7 @@ Architecture: ARCH
 Section: SECTION_IMAGE
 Priority: optional
 Provides: =PROVIDES=
+Conflicts:linux-backports-modules-cw-3.3-PKGVER-ABINUM-FLAVOUR, linux-backports-modules-cw-3.5-PKGVER-ABINUM-FLAVOUR, linux-backports-modules-cw-3.6-PKGVER-ABINUM-FLAVOUR
 Depends: linux-image-PKGVER-ABINUM-FLAVOUR
 Pre-Depends: dpkg (>= 1.10.24)
 Description: compat-wireless Linux modules for version PKGVER on DESC
@@ -54,6 +56,7 @@ Architecture: ARCH
 Section: SECTION_IMAGE
 Priority: optional
 Provides: =PROVIDES=
+Conflicts:linux-backports-modules-cw-3.3-PKGVER-ABINUM-FLAVOUR, linux-backports-modules-cw-3.4-PKGVER-ABINUM-FLAVOUR, linux-backports-modules-cw-3.6-PKGVER-ABINUM-FLAVOUR
 Depends: linux-image-PKGVER-ABINUM-FLAVOUR
 Pre-Depends: dpkg (>= 1.10.24)
 Description: compat-wireless Linux modules for version PKGVER on DESC
@@ -69,6 +72,7 @@ Architecture: ARCH
 Section: SECTION_IMAGE
 Priority: optional
 Provides: =PROVIDES=
+Conflicts:linux-backports-modules-cw-3.3-PKGVER-ABINUM-FLAVOUR, linux-backports-modules-cw-3.4-PKGVER-ABINUM-FLAVOUR, linux-backports-modules-cw-3.5-PKGVER-ABINUM-FLAVOUR
 Depends: linux-image-PKGVER-ABINUM-FLAVOUR
 Pre-Depends: dpkg (>= 1.10.24)
 Description: compat-wireless Linux modules for version PKGVER on DESC