diff --git a/schily.spec b/schily.spec
index 325e27b..27f1001 100644
--- a/schily.spec
+++ b/schily.spec
@@ -656,7 +656,7 @@ true
 	--install "%_bindir/mt" mt "%_bindir/smt" 10 \
 	--slave "%_mandir/man1/mt.1%ext_man" "mt.1%ext_man" "%_mandir/man1/smt.1%ext_man"
 
-%preun mt
+%postun mt
 if test "$1" = 0; then
 	"%_sbindir/update-alternatives" --remove mt "%_bindir/smt"
 fi
@@ -666,7 +666,7 @@ fi
 	--install "%_sbindir/rmt" rmt "%_sbindir/srmt" 10 \
 	--slave "%_mandir/man8/rmt.1%ext_man" "rmt.1%ext_man" "%_mandir/man8/srmt.1%ext_man"
 
-%preun rmt
+%postun rmt
 if test "$1" = 0; then
 	"%_sbindir/update-alternatives" --remove rmt "%_sbindir/srmt"
 fi