diff --git a/system/libnatspec/libnatspec.SlackBuild b/system/libnatspec/libnatspec.SlackBuild
index 073c274af3..33b5926127 100644
--- a/system/libnatspec/libnatspec.SlackBuild
+++ b/system/libnatspec/libnatspec.SlackBuild
@@ -69,8 +69,7 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;
 
-libtoolize --copy --force
-autoreconf
+autoreconf -vif
 
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \