diff --git a/desktop/kde/l10n/kde-l10n-is/pspec.xml b/desktop/kde/l10n/kde-l10n-is/pspec.xml
index 3c76b81986..36a3f58ecf 100644
--- a/desktop/kde/l10n/kde-l10n-is/pspec.xml
+++ b/desktop/kde/l10n/kde-l10n-is/pspec.xml
@@ -20,6 +20,7 @@
             <Dependency>qt5-linguist</Dependency>
             <Dependency>extra-cmake-modules</Dependency>
             <Dependency>kdoctools-devel</Dependency>
+            <Dependency>docbook-xsl</Dependency>
         </BuildDependencies>
         <Patches>
             <Patch>kde4.patch</Patch>