diff --git a/share/mk/src.opts.mk b/share/mk/src.opts.mk
index 57302707f879..f2801a8c18ea 100644
--- a/share/mk/src.opts.mk
+++ b/share/mk/src.opts.mk
@@ -365,6 +365,9 @@ BROKEN_OPTIONS+=LOADER_UBOOT
 BROKEN_OPTIONS+=LOADER_GELI LOADER_LUA
 .endif
 
+# clang 7.0
+BROKEN_OPTIONS+=RETPOLINE
+
 .if ${__T:Mmips64*}
 # profiling won't work on MIPS64 because there is only assembly for o32
 BROKEN_OPTIONS+=PROFILE