diff --git a/debian/patches/features/all/rt/convert-series b/debian/patches/features/all/rt/convert-series
index a1cff6081..0c99ff4bd 100755
--- a/debian/patches/features/all/rt/convert-series
+++ b/debian/patches/features/all/rt/convert-series
@@ -1,5 +1,5 @@
 #!/bin/sh
 
 # Add directory prefix to all filenames, but leave comments and
-# empty lines unchanged.
-sed -r -e 's,^[^# \t],features/all/rt/&,' "debian/patches/features/all/rt/series" > debian/patches/series-rt
+# empty lines unchanged. Also comment out localversion.patch.
+sed -r -e 's,^localversion.patch,#&,' -e 's,^[^# \t],features/all/rt/&,' "debian/patches/features/all/rt/series" > debian/patches/series-rt