diff --git a/src/ci/docker/dist-fuchsia/build-toolchain.sh b/src/ci/docker/dist-fuchsia/build-toolchain.sh
index 105f712ce51..5900d548ecb 100755
--- a/src/ci/docker/dist-fuchsia/build-toolchain.sh
+++ b/src/ci/docker/dist-fuchsia/build-toolchain.sh
@@ -27,6 +27,7 @@ git reset --hard FETCH_HEAD
 
 # Download toolchain
 ./scripts/download-toolchain
+chmod +x prebuilt/downloads/clang+llvm-x86_64-linux/bin/*
 cp -a prebuilt/downloads/clang+llvm-x86_64-linux/. /usr/local
 
 build() {