--- libkcups/KCupsRequest.cpp.orig      2019-12-05 18:51:20 UTC
+++ libkcups/KCupsRequest.cpp
@@ -30,7 +30,7 @@
 #include <cups/adminutil.h>
 #include <cups/ppd.h>
 
-#define CUPS_DATADIR    QLatin1String("/usr/share/cups")
+#define CUPS_DATADIR    QLatin1String("%%LOCALBASE%%/share/cups")
 
 KCupsRequest::KCupsRequest(KCupsConnection *connection) :
     m_connection(connection)