diff --git a/share/mk/src.opts.mk b/share/mk/src.opts.mk
--- a/share/mk/src.opts.mk
+++ b/share/mk/src.opts.mk
@@ -282,7 +282,7 @@
 
 .include <bsd.compiler.mk>
 
-.if ${__T} == "aarch64" || ${__T} == "amd64" || ${__T} == "i386" || ${__T:Mpowerpc*}
+.if ${__T:Marm*} == "" && ${__T:Mriscv64*} == ""
 __DEFAULT_YES_OPTIONS+=LLDB
 .else
 __DEFAULT_NO_OPTIONS+=LLDB