diff --git a/projects/pest/build.sh b/projects/pest/build.sh
index a572d27ea..6bf6bf0b4 100644
--- a/projects/pest/build.sh
+++ b/projects/pest/build.sh
@@ -14,10 +14,10 @@
 #
 ################################################################################
 cd $SRC/pest/meta
-cargo bootstrap
+RUSTFLAGS="" cargo bootstrap
 cargo +nightly fuzz build
 cd $SRC/pest/grammars
 cargo +nightly fuzz build
 cp $SRC/pest/meta/fuzz/target/x86_64-unknown-linux-gnu/release/parser $OUT/
 cp $SRC/pest/grammars/fuzz/target/x86_64-unknown-linux-gnu/release/toml $OUT/
-cp $SRC/pest/grammars/fuzz/target/x86_64-unknown-linux-gnu/release/json $OUT/
\ No newline at end of file
+cp $SRC/pest/grammars/fuzz/target/x86_64-unknown-linux-gnu/release/json $OUT/