diff --git a/Dockerfile.builder b/Dockerfile.builder
index e29bec4b25b1e9cf3709fc2889d84fee442e18ae..132c3e7715e918ba7ba3a79c77da950e0463814d 100644
--- a/Dockerfile.builder
+++ b/Dockerfile.builder
@@ -14,4 +14,4 @@ VOLUME /build
 # Define working directory
 WORKDIR /build
 
-CMD ["/build-in-docker.sh"]
+ENTRYPOINT ["/build-in-docker.sh"]
diff --git a/captain.yml b/captain.yml
index b60b3172df8c15b0ed9d99838dcd44fcf5e3e8ad..782b43d80463510be533125044c7e2202dcd2cbe 100644
--- a/captain.yml
+++ b/captain.yml
@@ -9,7 +9,7 @@ builder:
   post:
     - echo "Finished building portal backend builder image"
     - echo "Building project..."
-    - docker run --rm -v $WORKSPACE:/build/ -v $HOME/.m2:/home/build/.m2/ portal-backend-builder
+    - docker run --rm -v $WORKSPACE:/build/ -v $HOME/.m2:/home/build/.m2/ portal-backend-builder:latest
     - echo "Finished building project"
   test:
     - ./tests/test-build.sh
diff --git a/docker/builder/build-in-docker.sh b/docker/builder/build-in-docker.sh
old mode 100644
new mode 100755