diff --git a/libraries/libjxl/libjxl.SlackBuild b/libraries/libjxl/libjxl.SlackBuild
index a40a83a3f2..2e4d43a84f 100644
--- a/libraries/libjxl/libjxl.SlackBuild
+++ b/libraries/libjxl/libjxl.SlackBuild
@@ -57,7 +57,7 @@ elif [ "$ARCH" = "i686" ]; then
   SLKCFLAGS="-march=i686 -mtune=i686 -pipe -O2 -fPIC"
   LIBDIRSUFFIX=""
 elif [ "$ARCH" = "x86_64" ]; then
-  SLKCFLAGS="-march=x86-64 -mtune=native -pipe -O2 -fPIC"
+  SLKCFLAGS="-march=x86-64 -mtune=generic -pipe -O2 -fPIC"
   LIBDIRSUFFIX="64"
 else
   SLKCFLAGS="-O2"