diff --git a/Dockerfile b/Dockerfile
index 97cc6df03a..68f37ed02d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -31,7 +31,6 @@ ARG BUILD_TAG
 
 # Enable https://github.com/mozilla/sccache to cache Rust crates' compilation results in Docker builds.
 # Set up sccache to use an AWS S3 bucket for cache results, to reuse it between `docker build` invocations.
-# sccache falls back to local filesystem if S3 is misconfigured, not failing the build
 ARG RUSTC_WRAPPER=sccache
 ARG SCCACHE_REGION=eu-central-1
 ARG SCCACHE_S3_KEY_PREFIX=sccache
diff --git a/Dockerfile.build-tools b/Dockerfile.build-tools
index d17832ce25..7fe1ee9102 100644
--- a/Dockerfile.build-tools
+++ b/Dockerfile.build-tools
@@ -193,6 +193,8 @@ RUN curl -sSO https://static.rust-lang.org/rustup/dist/$(uname -m)-unknown-linux
     rm -rf /home/nonroot/.cargo/registry && \
     rm -rf /home/nonroot/.cargo/git
 ENV RUSTC_WRAPPER=sccache
+# Let sscache to fall back to local filesystem if S3 is misconfigured, not failing the build
+ENV SCCACHE_IGNORE_SERVER_IO_ERROR=1
 
 # Show versions
 RUN whoami \