diff --git a/kde-print-manager.spec b/kde-print-manager.spec
index e1bde9f..4aaf2c2 100644
--- a/kde-print-manager.spec
+++ b/kde-print-manager.spec
@@ -53,6 +53,7 @@ BuildRequires:  pkgconfig(Qt5Qml)
 BuildRequires:  pkgconfig(Qt5Widgets)
 Url:            http://dantti.wordpress.com/24.9.90/02/12/print-manager/
 Obsoletes:      kde4-print-manager < %{version}
+Conflicts:      kde4-print-manager
 Obsoletes:      print-manager5 < %{version}
 Provides:       print-manager5 = %{version}
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build