diff --git a/debian/control b/debian/control
index 3224d5a..9789fc2 100644
--- a/debian/control
+++ b/debian/control
@@ -25,6 +25,7 @@ Homepage: https://github.com/lxde/libfm-qt
 
 Package: libfm-qt2
 Replaces: libfm-qt5-2
+Breaks: libfm-qt5-2
 Architecture: any
 Multi-Arch: same
 Section: libs
@@ -39,6 +40,7 @@ Description: file management support for pcmanfm-qt
 
 Package: libfm-qt-dev
 Replaces: libfm-qt5-dev
+Breaks: libfm-qt5-dev
 Architecture: any
 Section: libdevel
 Depends: ${misc:Depends},
@@ -49,6 +51,7 @@ Description: file management support library for pcmanfm-qt (development files)
 
 Package: libfm-qt-dbg
 Replaces: libfm-qt5-dbg
+Breaks: libfm-qt5-dbg
 Architecture: any
 Multi-Arch: same
 Section: debug