diff --git a/kde-modules/KDEInstallDirsCommon.cmake b/kde-modules/KDEInstallDirsCommon.cmake
index aae70d6..623cee7 100644
--- a/kde-modules/KDEInstallDirsCommon.cmake
+++ b/kde-modules/KDEInstallDirsCommon.cmake
@@ -265,7 +265,7 @@ _define_absolute(LOCALSTATEDIR "var"
 _define_absolute(SHAREDSTATEDIR "com"
     "modifiable architecture-independent data")
 
-if (WIN32)
+if (0)
     _define_relative(DATAROOTDIR BINDIR "data"
         "read-only architecture-independent data root"
         SHARE_INSTALL_PREFIX)