diff --git a/y/puzzles/puzzles.SlackBuild b/y/puzzles/puzzles.SlackBuild
index 5254ba50..3c5f73e3 100755
--- a/y/puzzles/puzzles.SlackBuild
+++ b/y/puzzles/puzzles.SlackBuild
@@ -1,6 +1,6 @@
 #!/bin/bash
 # Build script for Slackware
-# Copyright (C) 2018 Damien Goutte-Gattat
+# Copyright (C) 2018,2019 Damien Goutte-Gattat
 #
 # Redistribution and use of this script, with or without modifications,
 # is permitted provided that the following conditions are met:
@@ -84,7 +84,7 @@ cd $TMP
 echo "Building $ARCHIVE..."
 tar xf $CWD/$ARCHIVE
 cd $NAME
-CFLAGS=$CPUOPT \
+CFLAGS="$CPUOPT -Wno-error=deprecated-declarations -Wno-error=format-overflow" \
 ./configure \
   --prefix=/usr \
   --disable-dependency-tracking \