diff --git a/plasma-desktop.spec b/plasma-desktop.spec
index f40cb3c..dbea99f 100644
--- a/plasma-desktop.spec
+++ b/plasma-desktop.spec
@@ -155,6 +155,8 @@ method framework.
 Summary:        Documentation and user manuals for %{name}
 # when conflicting HTML docs were removed
 Conflicts:      kcm_colors < 1:4.11.16-10
+# when conflicting HTML docs were removed
+Conflicts:      kde-runtime-docs < 17.08.3-6
 # when made noarch
 Obsoletes: plasma-desktop-doc < 5.3.1-2
 BuildArch: noarch