diff --git a/ci/envoy_build_sha.sh b/ci/envoy_build_sha.sh
index 709617afe9b6..bdc6fefe409d 100644
--- a/ci/envoy_build_sha.sh
+++ b/ci/envoy_build_sha.sh
@@ -1,2 +1,2 @@
-ENVOY_BUILD_SHA=$(grep envoyproxy/envoy-build .circleci/config.yml | sed -e 's#.*envoyproxy/envoy-build:\(.*\)#\1#' | uniq)
+ENVOY_BUILD_SHA=$(grep envoyproxy/envoy-build $(dirname $0)/../.circleci/config.yml | sed -e 's#.*envoyproxy/envoy-build:\(.*\)#\1#' | uniq)
 [[ $(wc -l <<< "${ENVOY_BUILD_SHA}" | awk '{$1=$1};1') == 1 ]] || (echo ".circleci/config.yml hashes are inconsistent!" && exit 1)
diff --git a/ci/run_envoy_docker.sh b/ci/run_envoy_docker.sh
index a93802b26173..ede21c5de859 100755
--- a/ci/run_envoy_docker.sh
+++ b/ci/run_envoy_docker.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-. ci/envoy_build_sha.sh
+. $(dirname $0)/envoy_build_sha.sh
 
 # We run as root and later drop permissions. This is required to setup the USER
 # in useradd below, which is need for correct Python execution in the Docker