diff --git a/services/lib/docker/build_service.sh b/services/lib/docker/build_service.sh
index 8d3c73b60..7a246c919 100755
--- a/services/lib/docker/build_service.sh
+++ b/services/lib/docker/build_service.sh
@@ -1,23 +1,25 @@
 #!/usr/bin/env bash
 
 set -e
 
 # folly hack - https://github.com/facebook/folly/pull/1231
 sed -i 's/#if __has_include(<demangle.h>)/#if __has_include(<Demangle.h>)/g' /usr/lib/folly/folly/detail/Demangle.h
 
 rm -rf lib
 mkdir lib
 pushd lib
 ln -s /usr/lib/folly .
 ln -s /usr/lib/glog .
 ln -s /usr/lib/double-conversion .
 popd # lib
 
 rm -rf _generated
 mkdir _generated
 
 rm -rf cmake/build
 mkdir -p cmake/build
 
-scripts/proto_codegen.sh
-scripts/build_sources.sh
+# Allow scripts to be called from anywhere
+SCRIPT_DIR=$(cd "$(dirname "$0")"; pwd -P)
+"${SCRIPT_DIR}"/proto_codegen.sh
+"${SCRIPT_DIR}"/build_sources.sh