diff --git a/projects/simdutf/Dockerfile b/projects/simdutf/Dockerfile
index 4fd9e588f..0dba1a1ed 100644
--- a/projects/simdutf/Dockerfile
+++ b/projects/simdutf/Dockerfile
@@ -17,5 +17,5 @@
 FROM gcr.io/oss-fuzz-base/base-builder
 RUN apt-get update && apt-get install -y make cmake
 RUN git clone --depth 1 https://github.com/simdutf/simdutf simdutf
-RUN cp simdutf/fuzz/build.sh $SRC/
-WORKDIR simdutf
\ No newline at end of file
+WORKDIR simdutf
+COPY build.sh $SRC/
diff --git a/projects/simdutf/build.sh b/projects/simdutf/build.sh
new file mode 100755
index 000000000..a21c0b123
--- /dev/null
+++ b/projects/simdutf/build.sh
@@ -0,0 +1,18 @@
+#!/bin/bash -eu
+# Copyright 2024 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+fuzz/build.sh