diff --git a/Dockerfile b/Dockerfile
index 80a9888..c244795 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,6 @@ COPY circuits circuits
 COPY scripts scripts
 # ENV NODE_OPTIONS='--trace-gc --trace-gc-ignore-scavenger --max-old-space-size=2048000 --initial-old-space-size=2048000 --no-global-gc-scheduling --no-incremental-marking --max-semi-space-size=1024 --initial-heap-size=2048000'
 ENV NODE_OPTIONS='--max-old-space-size=2048000'
-RUN mkdir -p build/circuits
 RUN yarn circuit:batchTreeUpdateLarge
 RUN yarn circuit:batchTreeUpdateWitness
 COPY . .
diff --git a/scripts/buildWitness.sh b/scripts/buildWitness.sh
index 801f162..69387cf 100755
--- a/scripts/buildWitness.sh
+++ b/scripts/buildWitness.sh
@@ -1,8 +1,8 @@
 #!/bin/bash -e
 # required dependencies: libgmp-dev nlohmann-json3-dev nasm g++
-cd build/circuits
+cd artifacts/circuits
 node ../../node_modules/ffiasm/src/buildzqfield.js -q 21888242871839275222246405745257275088548364400416034343698204186575808495617 -n Fr
 nasm -felf64 fr.asm
 cp ../../node_modules/circom_runtime/c/*.cpp ./
 cp ../../node_modules/circom_runtime/c/*.hpp ./
-g++ -pthread main.cpp calcwit.cpp utils.cpp fr.cpp fr.o ${1}.cpp -o ${1} -lgmp -std=c++11 -O3 -fopenmp -DSANITY_CHECK
\ No newline at end of file
+g++ -pthread main.cpp calcwit.cpp utils.cpp fr.cpp fr.o ${1}.cpp -o ${1} -lgmp -std=c++11 -O3 -fopenmp -DSANITY_CHECK