diff --git a/compiler-rt/lib/fuzzer/build.sh b/compiler-rt/lib/fuzzer/build.sh
index f7f329c0d19c76..f58fd9557ce3d5 100755
--- a/compiler-rt/lib/fuzzer/build.sh
+++ b/compiler-rt/lib/fuzzer/build.sh
@@ -2,7 +2,7 @@
 LIBFUZZER_SRC_DIR=$(dirname $0)
 CXX="${CXX:-clang}"
 for f in $LIBFUZZER_SRC_DIR/*.cpp; do
-  $CXX -g -O2 -fno-omit-frame-pointer -std=c++14 $f -c &
+  $CXX -g -O2 -fno-omit-frame-pointer -std=c++17 $f -c &
 done
 wait
 rm -f libFuzzer.a