diff --git a/bazel/external/wee8.genrule_cmd b/bazel/external/wee8.genrule_cmd
index bb5b9b7f8490..8a97bd82d120 100644
--- a/bazel/external/wee8.genrule_cmd
+++ b/bazel/external/wee8.genrule_cmd
@@ -19,7 +19,7 @@ pushd $$ROOT/wee8
 rm -rf out/wee8
 
 # Export compiler configuration.
-export CXXFLAGS="$${CXXFLAGS-} -Wno-sign-compare -Wno-deprecated-copy -Wno-unknown-warning-option -Wno-range-loop-analysis"
+export CXXFLAGS="$${CXXFLAGS-} -Wno-sign-compare -Wno-deprecated-copy -Wno-unknown-warning-option -Wno-range-loop-analysis -Wno-shorten-64-to-32"
 if [[ ( `uname` == "Darwin" && $${CXX-} == "" ) || $${CXX-} == *"clang"* ]]; then
   export IS_CLANG=true
   export CC=$${CC:-clang}